140049320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2131}}^1$

素因数の和:2226

約数の個数: 64

約数和(自身を含む): 331568640

約数和(自身を除く): 191519320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1643, 2120, 2131, 3286, 4262, 6572, 8215, 8524, 10655, 13144, 16430, 17048, 21310, 32860, 42620, 65720, 66061, 85240, 112943, 132122, 225886, 264244, 330305, 451772, 528488, 564715, 660610, 903544, 1129430, 1321220, 2258860, 2642440, 3501233, 4517720, 7002466, 14004932, 17506165, 28009864, 35012330, 70024660, 140049320]

約数ペア:

[(1, 140049320), (2, 70024660), (4, 35012330), (5, 28009864), (8, 17506165), (10, 14004932), (20, 7002466), (31, 4517720), (40, 3501233), (53, 2642440), (62, 2258860), (106, 1321220), (124, 1129430), (155, 903544), (212, 660610), (248, 564715), (265, 528488), (310, 451772), (424, 330305), (530, 264244), (620, 225886), (1060, 132122), (1240, 112943), (1643, 85240), (2120, 66061), (2131, 65720), (3286, 42620), (4262, 32860), (6572, 21310), (8215, 17048), (8524, 16430), (10655, 13144)]