922418020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{3389}}^1$

素因数の和:3868

約数の個数: 48

約数和(自身を含む): 2004710400

約数和(自身を除く): 1082292380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 439, 620, 878, 1756, 2195, 3389, 4390, 6778, 8780, 13556, 13609, 16945, 27218, 33890, 54436, 67780, 68045, 105059, 136090, 210118, 272180, 420236, 525295, 1050590, 1487771, 2101180, 2975542, 5951084, 7438855, 14877710, 29755420, 46120901, 92241802, 184483604, 230604505, 461209010, 922418020]

約数ペア:

[(1, 922418020), (2, 461209010), (4, 230604505), (5, 184483604), (10, 92241802), (20, 46120901), (31, 29755420), (62, 14877710), (124, 7438855), (155, 5951084), (310, 2975542), (439, 2101180), (620, 1487771), (878, 1050590), (1756, 525295), (2195, 420236), (3389, 272180), (4390, 210118), (6778, 136090), (8780, 105059), (13556, 68045), (13609, 67780), (16945, 54436), (27218, 33890)]