138470860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:407

約数の個数: 96

約数和(自身を含む): 337639680

約数和(自身を除く): 199168820

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 157, 190, 209, 211, 220, 314, 380, 418, 422, 628, 785, 836, 844, 1045, 1055, 1570, 1727, 2090, 2110, 2321, 2983, 3140, 3454, 4009, 4180, 4220, 4642, 5966, 6908, 8018, 8635, 9284, 11605, 11932, 14915, 16036, 17270, 20045, 23210, 29830, 32813, 33127, 34540, 40090, 44099, 46420, 59660, 65626, 66254, 80180, 88198, 131252, 132508, 164065, 165635, 176396, 220495, 328130, 331270, 364397, 440990, 629413, 656260, 662540, 728794, 881980, 1258826, 1457588, 1821985, 2517652, 3147065, 3643970, 6294130, 6923543, 7287940, 12588260, 13847086, 27694172, 34617715, 69235430, 138470860]

約数ペア:

[(1, 138470860), (2, 69235430), (4, 34617715), (5, 27694172), (10, 13847086), (11, 12588260), (19, 7287940), (20, 6923543), (22, 6294130), (38, 3643970), (44, 3147065), (55, 2517652), (76, 1821985), (95, 1457588), (110, 1258826), (157, 881980), (190, 728794), (209, 662540), (211, 656260), (220, 629413), (314, 440990), (380, 364397), (418, 331270), (422, 328130), (628, 220495), (785, 176396), (836, 165635), (844, 164065), (1045, 132508), (1055, 131252), (1570, 88198), (1727, 80180), (2090, 66254), (2110, 65626), (2321, 59660), (2983, 46420), (3140, 44099), (3454, 40090), (4009, 34540), (4180, 33127), (4220, 32813), (4642, 29830), (5966, 23210), (6908, 20045), (8018, 17270), (8635, 16036), (9284, 14915), (11605, 11932)]