28655550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{827}}^1$

素因数の和:863

約数の個数: 144

約数和(自身を含む): 96100992

約数和(自身を除く): 67445442

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 25, 30, 33, 35, 42, 45, 50, 55, 63, 66, 70, 75, 77, 90, 99, 105, 110, 126, 150, 154, 165, 175, 198, 210, 225, 231, 275, 315, 330, 350, 385, 450, 462, 495, 525, 550, 630, 693, 770, 825, 827, 990, 1050, 1155, 1386, 1575, 1650, 1654, 1925, 2310, 2475, 2481, 3150, 3465, 3850, 4135, 4950, 4962, 5775, 5789, 6930, 7443, 8270, 9097, 11550, 11578, 12405, 14886, 17325, 17367, 18194, 20675, 24810, 27291, 28945, 34650, 34734, 37215, 41350, 45485, 52101, 54582, 57890, 62025, 63679, 74430, 81873, 86835, 90970, 104202, 124050, 127358, 136455, 144725, 163746, 173670, 186075, 191037, 227425, 260505, 272910, 289450, 318395, 372150, 382074, 409365, 434175, 454850, 521010, 573111, 636790, 682275, 818730, 868350, 955185, 1146222, 1302525, 1364550, 1591975, 1910370, 2046825, 2605050, 2865555, 3183950, 4093650, 4775925, 5731110, 9551850, 14327775, 28655550]

約数ペア:

[(1, 28655550), (2, 14327775), (3, 9551850), (5, 5731110), (6, 4775925), (7, 4093650), (9, 3183950), (10, 2865555), (11, 2605050), (14, 2046825), (15, 1910370), (18, 1591975), (21, 1364550), (22, 1302525), (25, 1146222), (30, 955185), (33, 868350), (35, 818730), (42, 682275), (45, 636790), (50, 573111), (55, 521010), (63, 454850), (66, 434175), (70, 409365), (75, 382074), (77, 372150), (90, 318395), (99, 289450), (105, 272910), (110, 260505), (126, 227425), (150, 191037), (154, 186075), (165, 173670), (175, 163746), (198, 144725), (210, 136455), (225, 127358), (231, 124050), (275, 104202), (315, 90970), (330, 86835), (350, 81873), (385, 74430), (450, 63679), (462, 62025), (495, 57890), (525, 54582), (550, 52101), (630, 45485), (693, 41350), (770, 37215), (825, 34734), (827, 34650), (990, 28945), (1050, 27291), (1155, 24810), (1386, 20675), (1575, 18194), (1650, 17367), (1654, 17325), (1925, 14886), (2310, 12405), (2475, 11578), (2481, 11550), (3150, 9097), (3465, 8270), (3850, 7443), (4135, 6930), (4950, 5789), (4962, 5775)]