201814990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1723}}^1$

素因数の和:1813

約数の個数: 64

約数和(自身を含む): 422283456

約数和(自身を除く): 220468466

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 170, 221, 265, 442, 530, 689, 901, 1105, 1378, 1723, 1802, 2210, 3445, 3446, 4505, 6890, 8615, 9010, 11713, 17230, 22399, 23426, 29291, 44798, 58565, 58582, 91319, 111995, 117130, 146455, 182638, 223990, 292910, 380783, 456595, 761566, 913190, 1187147, 1552423, 1903915, 2374294, 3104846, 3807830, 5935735, 7762115, 11871470, 15524230, 20181499, 40362998, 100907495, 201814990]

約数ペア:

[(1, 201814990), (2, 100907495), (5, 40362998), (10, 20181499), (13, 15524230), (17, 11871470), (26, 7762115), (34, 5935735), (53, 3807830), (65, 3104846), (85, 2374294), (106, 1903915), (130, 1552423), (170, 1187147), (221, 913190), (265, 761566), (442, 456595), (530, 380783), (689, 292910), (901, 223990), (1105, 182638), (1378, 146455), (1723, 117130), (1802, 111995), (2210, 91319), (3445, 58582), (3446, 58565), (4505, 44798), (6890, 29291), (8615, 23426), (9010, 22399), (11713, 17230)]