155555860

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 334192320

約数和(自身を除く): 178636460

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 241, 295, 482, 547, 590, 964, 1094, 1180, 1205, 2188, 2410, 2735, 4820, 5470, 10940, 14219, 28438, 32273, 56876, 64546, 71095, 129092, 131827, 142190, 161365, 263654, 284380, 322730, 527308, 645460, 659135, 1318270, 2636540, 7777793, 15555586, 31111172, 38888965, 77777930, 155555860]

約数ペア:

[(1, 155555860), (2, 77777930), (4, 38888965), (5, 31111172), (10, 15555586), (20, 7777793), (59, 2636540), (118, 1318270), (236, 659135), (241, 645460), (295, 527308), (482, 322730), (547, 284380), (590, 263654), (964, 161365), (1094, 142190), (1180, 131827), (1205, 129092), (2188, 71095), (2410, 64546), (2735, 56876), (4820, 32273), (5470, 28438), (10940, 14219)]