9968401420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{242069}}^1$

素因数の和:242178

約数の個数: 48

約数和(自身を含む): 21960590400

約数和(自身を除く): 11992188980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 71, 116, 142, 145, 284, 290, 355, 580, 710, 1420, 2059, 4118, 8236, 10295, 20590, 41180, 242069, 484138, 968276, 1210345, 2420690, 4841380, 7020001, 14040002, 17186899, 28080004, 34373798, 35100005, 68747596, 70200010, 85934495, 140400020, 171868990, 343737980, 498420071, 996840142, 1993680284, 2492100355, 4984200710, 9968401420]

約数ペア:

[(1, 9968401420), (2, 4984200710), (4, 2492100355), (5, 1993680284), (10, 996840142), (20, 498420071), (29, 343737980), (58, 171868990), (71, 140400020), (116, 85934495), (142, 70200010), (145, 68747596), (284, 35100005), (290, 34373798), (355, 28080004), (580, 17186899), (710, 14040002), (1420, 7020001), (2059, 4841380), (4118, 2420690), (8236, 1210345), (10295, 968276), (20590, 484138), (41180, 242069)]