7890040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 19323360

約数和(自身を除く): 11433320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 283, 328, 340, 410, 566, 680, 697, 820, 1132, 1394, 1415, 1640, 2264, 2788, 2830, 3485, 4811, 5576, 5660, 6970, 9622, 11320, 11603, 13940, 19244, 23206, 24055, 27880, 38488, 46412, 48110, 58015, 92824, 96220, 116030, 192440, 197251, 232060, 394502, 464120, 789004, 986255, 1578008, 1972510, 3945020, 7890040]

約数ペア:

[(1, 7890040), (2, 3945020), (4, 1972510), (5, 1578008), (8, 986255), (10, 789004), (17, 464120), (20, 394502), (34, 232060), (40, 197251), (41, 192440), (68, 116030), (82, 96220), (85, 92824), (136, 58015), (164, 48110), (170, 46412), (205, 38488), (283, 27880), (328, 24055), (340, 23206), (410, 19244), (566, 13940), (680, 11603), (697, 11320), (820, 9622), (1132, 6970), (1394, 5660), (1415, 5576), (1640, 4811), (2264, 3485), (2788, 2830)]