247565380

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{9739}}^1$

素因数の和:9820

約数の個数: 48

約数和(自身を含む): 549803520

約数和(自身を除く): 302238140

約数列:

[1, 2, 4, 5, 10, 20, 31, 41, 62, 82, 124, 155, 164, 205, 310, 410, 620, 820, 1271, 2542, 5084, 6355, 9739, 12710, 19478, 25420, 38956, 48695, 97390, 194780, 301909, 399299, 603818, 798598, 1207636, 1509545, 1597196, 1996495, 3019090, 3992990, 6038180, 7985980, 12378269, 24756538, 49513076, 61891345, 123782690, 247565380]

約数ペア:

[(1, 247565380), (2, 123782690), (4, 61891345), (5, 49513076), (10, 24756538), (20, 12378269), (31, 7985980), (41, 6038180), (62, 3992990), (82, 3019090), (124, 1996495), (155, 1597196), (164, 1509545), (205, 1207636), (310, 798598), (410, 603818), (620, 399299), (820, 301909), (1271, 194780), (2542, 97390), (5084, 48695), (6355, 38956), (9739, 25420), (12710, 19478)]