85678300

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{499}}^1$

素因数の和:631

約数の個数: 72

約数和(自身を含む): 199206000

約数和(自身を除く): 113527700

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 101, 170, 202, 340, 404, 425, 499, 505, 850, 998, 1010, 1700, 1717, 1996, 2020, 2495, 2525, 3434, 4990, 5050, 6868, 8483, 8585, 9980, 10100, 12475, 16966, 17170, 24950, 33932, 34340, 42415, 42925, 49900, 50399, 84830, 85850, 100798, 169660, 171700, 201596, 212075, 251995, 424150, 503990, 848300, 856783, 1007980, 1259975, 1713566, 2519950, 3427132, 4283915, 5039900, 8567830, 17135660, 21419575, 42839150, 85678300]

約数ペア:

[(1, 85678300), (2, 42839150), (4, 21419575), (5, 17135660), (10, 8567830), (17, 5039900), (20, 4283915), (25, 3427132), (34, 2519950), (50, 1713566), (68, 1259975), (85, 1007980), (100, 856783), (101, 848300), (170, 503990), (202, 424150), (340, 251995), (404, 212075), (425, 201596), (499, 171700), (505, 169660), (850, 100798), (998, 85850), (1010, 84830), (1700, 50399), (1717, 49900), (1996, 42925), (2020, 42415), (2495, 34340), (2525, 33932), (3434, 24950), (4990, 17170), (5050, 16966), (6868, 12475), (8483, 10100), (8585, 9980)]