988019600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 2679114240

約数和(自身を除く): 1691094640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 43, 50, 62, 68, 80, 85, 86, 100, 109, 124, 136, 155, 170, 172, 200, 215, 218, 248, 272, 310, 340, 344, 400, 425, 430, 436, 496, 527, 545, 620, 680, 688, 731, 775, 850, 860, 872, 1054, 1075, 1090, 1240, 1333, 1360, 1462, 1550, 1700, 1720, 1744, 1853, 2108, 2150, 2180, 2480, 2635, 2666, 2725, 2924, 3100, 3379, 3400, 3440, 3655, 3706, 4216, 4300, 4360, 4687, 5270, 5332, 5450, 5848, 6200, 6665, 6758, 6800, 7310, 7412, 8432, 8600, 8720, 9265, 9374, 10540, 10664, 10900, 11696, 12400, 13175, 13330, 13516, 14620, 14824, 16895, 17200, 18275, 18530, 18748, 21080, 21328, 21800, 22661, 23435, 26350, 26660, 27032, 29240, 29648, 33325, 33790, 36550, 37060, 37496, 42160, 43600, 45322, 46325, 46870, 52700, 53320, 54064, 57443, 58480, 66650, 67580, 73100, 74120, 74992, 79679, 84475, 90644, 92650, 93740, 105400, 106640, 113305, 114886, 117175, 133300, 135160, 145297, 146200, 148240, 159358, 168950, 181288, 185300, 187480, 210800, 226610, 229772, 234350, 266600, 270320, 287215, 290594, 292400, 318716, 337900, 362576, 370600, 374960, 398395, 453220, 459544, 468700, 533200, 566525, 574430, 581188, 637432, 675800, 726485, 741200, 796790, 906440, 919088, 937400, 1133050, 1148860, 1162376, 1274864, 1351600, 1436075, 1452970, 1593580, 1812880, 1874800, 1991975, 2266100, 2297720, 2324752, 2470049, 2872150, 2905940, 3187160, 3632425, 3983950, 4532200, 4595440, 4940098, 5744300, 5811880, 6374320, 7264850, 7967900, 9064400, 9880196, 11488600, 11623760, 12350245, 14529700, 15935800, 19760392, 22977200, 24700490, 29059400, 31871600, 39520784, 49400980, 58118800, 61751225, 98801960, 123502450, 197603920, 247004900, 494009800, 988019600]

約数ペア:

[(1, 988019600), (2, 494009800), (4, 247004900), (5, 197603920), (8, 123502450), (10, 98801960), (16, 61751225), (17, 58118800), (20, 49400980), (25, 39520784), (31, 31871600), (34, 29059400), (40, 24700490), (43, 22977200), (50, 19760392), (62, 15935800), (68, 14529700), (80, 12350245), (85, 11623760), (86, 11488600), (100, 9880196), (109, 9064400), (124, 7967900), (136, 7264850), (155, 6374320), (170, 5811880), (172, 5744300), (200, 4940098), (215, 4595440), (218, 4532200), (248, 3983950), (272, 3632425), (310, 3187160), (340, 2905940), (344, 2872150), (400, 2470049), (425, 2324752), (430, 2297720), (436, 2266100), (496, 1991975), (527, 1874800), (545, 1812880), (620, 1593580), (680, 1452970), (688, 1436075), (731, 1351600), (775, 1274864), (850, 1162376), (860, 1148860), (872, 1133050), (1054, 937400), (1075, 919088), (1090, 906440), (1240, 796790), (1333, 741200), (1360, 726485), (1462, 675800), (1550, 637432), (1700, 581188), (1720, 574430), (1744, 566525), (1853, 533200), (2108, 468700), (2150, 459544), (2180, 453220), (2480, 398395), (2635, 374960), (2666, 370600), (2725, 362576), (2924, 337900), (3100, 318716), (3379, 292400), (3400, 290594), (3440, 287215), (3655, 270320), (3706, 266600), (4216, 234350), (4300, 229772), (4360, 226610), (4687, 210800), (5270, 187480), (5332, 185300), (5450, 181288), (5848, 168950), (6200, 159358), (6665, 148240), (6758, 146200), (6800, 145297), (7310, 135160), (7412, 133300), (8432, 117175), (8600, 114886), (8720, 113305), (9265, 106640), (9374, 105400), (10540, 93740), (10664, 92650), (10900, 90644), (11696, 84475), (12400, 79679), (13175, 74992), (13330, 74120), (13516, 73100), (14620, 67580), (14824, 66650), (16895, 58480), (17200, 57443), (18275, 54064), (18530, 53320), (18748, 52700), (21080, 46870), (21328, 46325), (21800, 45322), (22661, 43600), (23435, 42160), (26350, 37496), (26660, 37060), (27032, 36550), (29240, 33790), (29648, 33325)]