245176720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4397}}^1$

素因数の和:4468

約数の個数: 80

約数和(自身を含む): 618429168

約数和(自身を除く): 373252448

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 41, 68, 80, 82, 85, 136, 164, 170, 205, 272, 328, 340, 410, 656, 680, 697, 820, 1360, 1394, 1640, 2788, 3280, 3485, 4397, 5576, 6970, 8794, 11152, 13940, 17588, 21985, 27880, 35176, 43970, 55760, 70352, 74749, 87940, 149498, 175880, 180277, 298996, 351760, 360554, 373745, 597992, 721108, 747490, 901385, 1195984, 1442216, 1494980, 1802770, 2884432, 2989960, 3064709, 3605540, 5979920, 6129418, 7211080, 12258836, 14422160, 15323545, 24517672, 30647090, 49035344, 61294180, 122588360, 245176720]

約数ペア:

[(1, 245176720), (2, 122588360), (4, 61294180), (5, 49035344), (8, 30647090), (10, 24517672), (16, 15323545), (17, 14422160), (20, 12258836), (34, 7211080), (40, 6129418), (41, 5979920), (68, 3605540), (80, 3064709), (82, 2989960), (85, 2884432), (136, 1802770), (164, 1494980), (170, 1442216), (205, 1195984), (272, 901385), (328, 747490), (340, 721108), (410, 597992), (656, 373745), (680, 360554), (697, 351760), (820, 298996), (1360, 180277), (1394, 175880), (1640, 149498), (2788, 87940), (3280, 74749), (3485, 70352), (4397, 55760), (5576, 43970), (6970, 35176), (8794, 27880), (11152, 21985), (13940, 17588)]