164844820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{2851}}^1$

素因数の和:2933

約数の個数: 72

約数和(自身を含む): 409661280

約数和(自身を除く): 244816460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 59, 70, 98, 118, 140, 196, 236, 245, 295, 413, 490, 590, 826, 980, 1180, 1652, 2065, 2851, 2891, 4130, 5702, 5782, 8260, 11404, 11564, 14255, 14455, 19957, 28510, 28910, 39914, 57020, 57820, 79828, 99785, 139699, 168209, 199570, 279398, 336418, 399140, 558796, 672836, 698495, 841045, 1177463, 1396990, 1682090, 2354926, 2793980, 3364180, 4709852, 5887315, 8242241, 11774630, 16484482, 23549260, 32968964, 41211205, 82422410, 164844820]

約数ペア:

[(1, 164844820), (2, 82422410), (4, 41211205), (5, 32968964), (7, 23549260), (10, 16484482), (14, 11774630), (20, 8242241), (28, 5887315), (35, 4709852), (49, 3364180), (59, 2793980), (70, 2354926), (98, 1682090), (118, 1396990), (140, 1177463), (196, 841045), (236, 698495), (245, 672836), (295, 558796), (413, 399140), (490, 336418), (590, 279398), (826, 199570), (980, 168209), (1180, 139699), (1652, 99785), (2065, 79828), (2851, 57820), (2891, 57020), (4130, 39914), (5702, 28910), (5782, 28510), (8260, 19957), (11404, 14455), (11564, 14255)]