420787.00000000

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 19535040

約数和(自身を除く): 6944735

約数列:

[1, 5, 7, 13, 35, 49, 59, 65, 67, 91, 245, 295, 335, 413, 455, 469, 637, 767, 871, 2065, 2345, 2891, 3185, 3283, 3835, 3953, 4355, 5369, 6097, 14455, 16415, 19765, 26845, 27671, 30485, 37583, 42679, 51389, 138355, 187915, 193697, 213395, 256945, 359723, 968485, 1798615, 2518061, 12590305]

約数ペア:

[(1, 12590305), (5, 2518061), (7, 1798615), (13, 968485), (35, 359723), (49, 256945), (59, 213395), (65, 193697), (67, 187915), (91, 138355), (245, 51389), (295, 42679), (335, 37583), (413, 30485), (455, 27671), (469, 26845), (637, 19765), (767, 16415), (871, 14455), (2065, 6097), (2345, 5369), (2891, 4355), (3185, 3953), (3283, 3835)]