22690180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 72

約数和(自身を含む): 52678080

約数和(自身を除く): 29987900

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 71, 76, 95, 116, 142, 145, 190, 284, 290, 355, 380, 551, 580, 710, 841, 1102, 1349, 1420, 1682, 2059, 2204, 2698, 2755, 3364, 4118, 4205, 5396, 5510, 6745, 8236, 8410, 10295, 11020, 13490, 15979, 16820, 20590, 26980, 31958, 39121, 41180, 59711, 63916, 78242, 79895, 119422, 156484, 159790, 195605, 238844, 298555, 319580, 391210, 597110, 782420, 1134509, 1194220, 2269018, 4538036, 5672545, 11345090, 22690180]

約数ペア:

[(1, 22690180), (2, 11345090), (4, 5672545), (5, 4538036), (10, 2269018), (19, 1194220), (20, 1134509), (29, 782420), (38, 597110), (58, 391210), (71, 319580), (76, 298555), (95, 238844), (116, 195605), (142, 159790), (145, 156484), (190, 119422), (284, 79895), (290, 78242), (355, 63916), (380, 59711), (551, 41180), (580, 39121), (710, 31958), (841, 26980), (1102, 20590), (1349, 16820), (1420, 15979), (1682, 13490), (2059, 11020), (2204, 10295), (2698, 8410), (2755, 8236), (3364, 6745), (4118, 5510), (4205, 5396)]