28784910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{733}}^1$

素因数の和:778

約数の個数: 128

約数和(自身を含む): 91321344

約数和(自身を除く): 62536434

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 17, 21, 22, 30, 33, 34, 35, 42, 51, 55, 66, 70, 77, 85, 102, 105, 110, 119, 154, 165, 170, 187, 210, 231, 238, 255, 330, 357, 374, 385, 462, 510, 561, 595, 714, 733, 770, 935, 1122, 1155, 1190, 1309, 1466, 1785, 1870, 2199, 2310, 2618, 2805, 3570, 3665, 3927, 4398, 5131, 5610, 6545, 7330, 7854, 8063, 10262, 10995, 12461, 13090, 15393, 16126, 19635, 21990, 24189, 24922, 25655, 30786, 37383, 39270, 40315, 48378, 51310, 56441, 62305, 74766, 76965, 80630, 87227, 112882, 120945, 124610, 137071, 153930, 169323, 174454, 186915, 241890, 261681, 274142, 282205, 338646, 373830, 411213, 436135, 523362, 564410, 685355, 822426, 846615, 872270, 959497, 1308405, 1370710, 1693230, 1918994, 2056065, 2616810, 2878491, 4112130, 4797485, 5756982, 9594970, 14392455, 28784910]

約数ペア:

[(1, 28784910), (2, 14392455), (3, 9594970), (5, 5756982), (6, 4797485), (7, 4112130), (10, 2878491), (11, 2616810), (14, 2056065), (15, 1918994), (17, 1693230), (21, 1370710), (22, 1308405), (30, 959497), (33, 872270), (34, 846615), (35, 822426), (42, 685355), (51, 564410), (55, 523362), (66, 436135), (70, 411213), (77, 373830), (85, 338646), (102, 282205), (105, 274142), (110, 261681), (119, 241890), (154, 186915), (165, 174454), (170, 169323), (187, 153930), (210, 137071), (231, 124610), (238, 120945), (255, 112882), (330, 87227), (357, 80630), (374, 76965), (385, 74766), (462, 62305), (510, 56441), (561, 51310), (595, 48378), (714, 40315), (733, 39270), (770, 37383), (935, 30786), (1122, 25655), (1155, 24922), (1190, 24189), (1309, 21990), (1466, 19635), (1785, 16126), (1870, 15393), (2199, 13090), (2310, 12461), (2618, 10995), (2805, 10262), (3570, 8063), (3665, 7854), (3927, 7330), (4398, 6545), (5131, 5610)]