163655380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{19813}}^1$

素因数の和:19888

約数の個数: 48

約数和(自身を含む): 399450240

約数和(自身を除く): 235794860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 59, 70, 118, 140, 236, 295, 413, 590, 826, 1180, 1652, 2065, 4130, 8260, 19813, 39626, 79252, 99065, 138691, 198130, 277382, 396260, 554764, 693455, 1168967, 1386910, 2337934, 2773820, 4675868, 5844835, 8182769, 11689670, 16365538, 23379340, 32731076, 40913845, 81827690, 163655380]

約数ペア:

[(1, 163655380), (2, 81827690), (4, 40913845), (5, 32731076), (7, 23379340), (10, 16365538), (14, 11689670), (20, 8182769), (28, 5844835), (35, 4675868), (59, 2773820), (70, 2337934), (118, 1386910), (140, 1168967), (236, 693455), (295, 554764), (413, 396260), (590, 277382), (826, 198130), (1180, 138691), (1652, 99065), (2065, 79252), (4130, 39626), (8260, 19813)]