51389300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 130616640

約数和(自身を除く): 79227340

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 37, 38, 43, 50, 68, 74, 76, 85, 86, 95, 100, 148, 170, 172, 185, 190, 215, 323, 340, 370, 380, 425, 430, 475, 629, 646, 703, 731, 740, 817, 850, 860, 925, 950, 1075, 1258, 1292, 1406, 1462, 1591, 1615, 1634, 1700, 1850, 1900, 2150, 2516, 2812, 2924, 3145, 3182, 3230, 3268, 3515, 3655, 3700, 4085, 4300, 6290, 6364, 6460, 7030, 7310, 7955, 8075, 8170, 11951, 12580, 13889, 14060, 14620, 15725, 15910, 16150, 16340, 17575, 18275, 20425, 23902, 27047, 27778, 30229, 31450, 31820, 32300, 35150, 36550, 39775, 40850, 47804, 54094, 55556, 59755, 60458, 62900, 69445, 70300, 73100, 79550, 81700, 108188, 119510, 120916, 135235, 138890, 151145, 159100, 239020, 270470, 277780, 298775, 302290, 347225, 513893, 540940, 597550, 604580, 676175, 694450, 755725, 1027786, 1195100, 1352350, 1388900, 1511450, 2055572, 2569465, 2704700, 3022900, 5138930, 10277860, 12847325, 25694650, 51389300]

約数ペア:

[(1, 51389300), (2, 25694650), (4, 12847325), (5, 10277860), (10, 5138930), (17, 3022900), (19, 2704700), (20, 2569465), (25, 2055572), (34, 1511450), (37, 1388900), (38, 1352350), (43, 1195100), (50, 1027786), (68, 755725), (74, 694450), (76, 676175), (85, 604580), (86, 597550), (95, 540940), (100, 513893), (148, 347225), (170, 302290), (172, 298775), (185, 277780), (190, 270470), (215, 239020), (323, 159100), (340, 151145), (370, 138890), (380, 135235), (425, 120916), (430, 119510), (475, 108188), (629, 81700), (646, 79550), (703, 73100), (731, 70300), (740, 69445), (817, 62900), (850, 60458), (860, 59755), (925, 55556), (950, 54094), (1075, 47804), (1258, 40850), (1292, 39775), (1406, 36550), (1462, 35150), (1591, 32300), (1615, 31820), (1634, 31450), (1700, 30229), (1850, 27778), (1900, 27047), (2150, 23902), (2516, 20425), (2812, 18275), (2924, 17575), (3145, 16340), (3182, 16150), (3230, 15910), (3268, 15725), (3515, 14620), (3655, 14060), (3700, 13889), (4085, 12580), (4300, 11951), (6290, 8170), (6364, 8075), (6460, 7955), (7030, 7310)]