642097400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{239}}^1$

素因数の和:382

約数の個数: 192

約数和(自身を含む): 1821312000

約数和(自身を除く): 1179214600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 95, 100, 101, 133, 140, 152, 175, 190, 200, 202, 239, 266, 280, 350, 380, 404, 475, 478, 505, 532, 665, 700, 707, 760, 808, 950, 956, 1010, 1064, 1195, 1330, 1400, 1414, 1673, 1900, 1912, 1919, 2020, 2390, 2525, 2660, 2828, 3325, 3346, 3535, 3800, 3838, 4040, 4541, 4780, 5050, 5320, 5656, 5975, 6650, 6692, 7070, 7676, 8365, 9082, 9560, 9595, 10100, 11950, 13300, 13384, 13433, 14140, 15352, 16730, 17675, 18164, 19190, 20200, 22705, 23900, 24139, 26600, 26866, 28280, 31787, 33460, 35350, 36328, 38380, 41825, 45410, 47800, 47975, 48278, 53732, 63574, 66920, 67165, 70700, 76760, 83650, 90820, 95950, 96556, 107464, 113525, 120695, 127148, 134330, 141400, 158935, 167300, 168973, 181640, 191900, 193112, 227050, 241390, 254296, 268660, 317870, 334600, 335825, 337946, 383800, 454100, 458641, 482780, 537320, 603475, 635740, 671650, 675892, 794675, 844865, 908200, 917282, 965560, 1206950, 1271480, 1343300, 1351784, 1589350, 1689730, 1834564, 2293205, 2413900, 2686600, 3178700, 3210487, 3379460, 3669128, 4224325, 4586410, 4827800, 6357400, 6420974, 6758920, 8448650, 9172820, 11466025, 12841948, 16052435, 16897300, 18345640, 22932050, 25683896, 32104870, 33794600, 45864100, 64209740, 80262175, 91728200, 128419480, 160524350, 321048700, 642097400]

約数ペア:

[(1, 642097400), (2, 321048700), (4, 160524350), (5, 128419480), (7, 91728200), (8, 80262175), (10, 64209740), (14, 45864100), (19, 33794600), (20, 32104870), (25, 25683896), (28, 22932050), (35, 18345640), (38, 16897300), (40, 16052435), (50, 12841948), (56, 11466025), (70, 9172820), (76, 8448650), (95, 6758920), (100, 6420974), (101, 6357400), (133, 4827800), (140, 4586410), (152, 4224325), (175, 3669128), (190, 3379460), (200, 3210487), (202, 3178700), (239, 2686600), (266, 2413900), (280, 2293205), (350, 1834564), (380, 1689730), (404, 1589350), (475, 1351784), (478, 1343300), (505, 1271480), (532, 1206950), (665, 965560), (700, 917282), (707, 908200), (760, 844865), (808, 794675), (950, 675892), (956, 671650), (1010, 635740), (1064, 603475), (1195, 537320), (1330, 482780), (1400, 458641), (1414, 454100), (1673, 383800), (1900, 337946), (1912, 335825), (1919, 334600), (2020, 317870), (2390, 268660), (2525, 254296), (2660, 241390), (2828, 227050), (3325, 193112), (3346, 191900), (3535, 181640), (3800, 168973), (3838, 167300), (4040, 158935), (4541, 141400), (4780, 134330), (5050, 127148), (5320, 120695), (5656, 113525), (5975, 107464), (6650, 96556), (6692, 95950), (7070, 90820), (7676, 83650), (8365, 76760), (9082, 70700), (9560, 67165), (9595, 66920), (10100, 63574), (11950, 53732), (13300, 48278), (13384, 47975), (13433, 47800), (14140, 45410), (15352, 41825), (16730, 38380), (17675, 36328), (18164, 35350), (19190, 33460), (20200, 31787), (22705, 28280), (23900, 26866), (24139, 26600)]