256957390

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{457}}^1\times {\mathrm{953}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 471886560

約数和(自身を除く): 214929170

約数列:

[1, 2, 5, 10, 59, 118, 295, 457, 590, 914, 953, 1906, 2285, 4570, 4765, 9530, 26963, 53926, 56227, 112454, 134815, 269630, 281135, 435521, 562270, 871042, 2177605, 4355210, 25695739, 51391478, 128478695, 256957390]

約数ペア:

[(1, 256957390), (2, 128478695), (5, 51391478), (10, 25695739), (59, 4355210), (118, 2177605), (295, 871042), (457, 562270), (590, 435521), (914, 281135), (953, 269630), (1906, 134815), (2285, 112454), (4570, 56227), (4765, 53926), (9530, 26963)]