1900808519080

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3163}}^1\times {\mathrm{62861}}^1$

素因数の和:66274

約数の個数: 64

約数和(自身を含む): 4296139948800

約数和(自身を除く): 2395331429720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 3163, 4780, 6326, 9560, 12652, 15815, 25304, 31630, 62861, 63260, 125722, 126520, 251444, 314305, 502888, 628610, 755957, 1257220, 1511914, 2514440, 3023828, 3779785, 6047656, 7559570, 15023779, 15119140, 30047558, 30238280, 60095116, 75118895, 120190232, 150237790, 198829343, 300475580, 397658686, 600951160, 795317372, 994146715, 1590634744, 1988293430, 3976586860, 7953173720, 47520212977, 95040425954, 190080851908, 237601064885, 380161703816, 475202129770, 950404259540, 1900808519080]

約数ペア:

[(1, 1900808519080), (2, 950404259540), (4, 475202129770), (5, 380161703816), (8, 237601064885), (10, 190080851908), (20, 95040425954), (40, 47520212977), (239, 7953173720), (478, 3976586860), (956, 1988293430), (1195, 1590634744), (1912, 994146715), (2390, 795317372), (3163, 600951160), (4780, 397658686), (6326, 300475580), (9560, 198829343), (12652, 150237790), (15815, 120190232), (25304, 75118895), (31630, 60095116), (62861, 30238280), (63260, 30047558), (125722, 15119140), (126520, 15023779), (251444, 7559570), (314305, 6047656), (502888, 3779785), (628610, 3023828), (755957, 2514440), (1257220, 1511914)]