1658860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1$

素因数の和:91

約数の個数: 72

約数和(自身を含む): 4332384

約数和(自身を除く): 2673524

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 41, 68, 70, 82, 85, 119, 140, 164, 170, 205, 238, 287, 289, 340, 410, 476, 574, 578, 595, 697, 820, 1148, 1156, 1190, 1394, 1435, 1445, 2023, 2380, 2788, 2870, 2890, 3485, 4046, 4879, 5740, 5780, 6970, 8092, 9758, 10115, 11849, 13940, 19516, 20230, 23698, 24395, 40460, 47396, 48790, 59245, 82943, 97580, 118490, 165886, 236980, 331772, 414715, 829430, 1658860]

約数ペア:

[(1, 1658860), (2, 829430), (4, 414715), (5, 331772), (7, 236980), (10, 165886), (14, 118490), (17, 97580), (20, 82943), (28, 59245), (34, 48790), (35, 47396), (41, 40460), (68, 24395), (70, 23698), (82, 20230), (85, 19516), (119, 13940), (140, 11849), (164, 10115), (170, 9758), (205, 8092), (238, 6970), (287, 5780), (289, 5740), (340, 4879), (410, 4046), (476, 3485), (574, 2890), (578, 2870), (595, 2788), (697, 2380), (820, 2023), (1148, 1445), (1156, 1435), (1190, 1394)]