1855963340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{331}}^2$

素因数の和:700

約数の個数: 108

約数和(自身を含む): 4910898384

約数和(自身を除く): 3054935044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 331, 385, 484, 605, 662, 770, 847, 1210, 1324, 1540, 1655, 1694, 2317, 2420, 3310, 3388, 3641, 4235, 4634, 6620, 7282, 8470, 9268, 11585, 14564, 16940, 18205, 23170, 25487, 36410, 40051, 46340, 50974, 72820, 80102, 101948, 109561, 127435, 160204, 200255, 219122, 254870, 280357, 400510, 438244, 509740, 547805, 560714, 766927, 801020, 1095610, 1121428, 1205171, 1401785, 1533854, 2191220, 2410342, 2803570, 3067708, 3834635, 4820684, 5607140, 6025855, 7669270, 8436197, 12051710, 13256881, 15338540, 16872394, 24103420, 26513762, 33744788, 42180985, 53027524, 66284405, 84361970, 92798167, 132568810, 168723940, 185596334, 265137620, 371192668, 463990835, 927981670, 1855963340]

約数ペア:

[(1, 1855963340), (2, 927981670), (4, 463990835), (5, 371192668), (7, 265137620), (10, 185596334), (11, 168723940), (14, 132568810), (20, 92798167), (22, 84361970), (28, 66284405), (35, 53027524), (44, 42180985), (55, 33744788), (70, 26513762), (77, 24103420), (110, 16872394), (121, 15338540), (140, 13256881), (154, 12051710), (220, 8436197), (242, 7669270), (308, 6025855), (331, 5607140), (385, 4820684), (484, 3834635), (605, 3067708), (662, 2803570), (770, 2410342), (847, 2191220), (1210, 1533854), (1324, 1401785), (1540, 1205171), (1655, 1121428), (1694, 1095610), (2317, 801020), (2420, 766927), (3310, 560714), (3388, 547805), (3641, 509740), (4235, 438244), (4634, 400510), (6620, 280357), (7282, 254870), (8470, 219122), (9268, 200255), (11585, 160204), (14564, 127435), (16940, 109561), (18205, 101948), (23170, 80102), (25487, 72820), (36410, 50974), (40051, 46340)]