28755160

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{863}}^1$

素因数の和:905

約数の個数: 96

約数和(自身を含む): 79781760

約数和(自身を除く): 51026600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 49, 56, 68, 70, 85, 98, 119, 136, 140, 170, 196, 238, 245, 280, 340, 392, 476, 490, 595, 680, 833, 863, 952, 980, 1190, 1666, 1726, 1960, 2380, 3332, 3452, 4165, 4315, 4760, 6041, 6664, 6904, 8330, 8630, 12082, 14671, 16660, 17260, 24164, 29342, 30205, 33320, 34520, 42287, 48328, 58684, 60410, 73355, 84574, 102697, 117368, 120820, 146710, 169148, 205394, 211435, 241640, 293420, 338296, 410788, 422870, 513485, 586840, 718879, 821576, 845740, 1026970, 1437758, 1691480, 2053940, 2875516, 3594395, 4107880, 5751032, 7188790, 14377580, 28755160]

約数ペア:

[(1, 28755160), (2, 14377580), (4, 7188790), (5, 5751032), (7, 4107880), (8, 3594395), (10, 2875516), (14, 2053940), (17, 1691480), (20, 1437758), (28, 1026970), (34, 845740), (35, 821576), (40, 718879), (49, 586840), (56, 513485), (68, 422870), (70, 410788), (85, 338296), (98, 293420), (119, 241640), (136, 211435), (140, 205394), (170, 169148), (196, 146710), (238, 120820), (245, 117368), (280, 102697), (340, 84574), (392, 73355), (476, 60410), (490, 58684), (595, 48328), (680, 42287), (833, 34520), (863, 33320), (952, 30205), (980, 29342), (1190, 24164), (1666, 17260), (1726, 16660), (1960, 14671), (2380, 12082), (3332, 8630), (3452, 8330), (4165, 6904), (4315, 6664), (4760, 6041)]