385840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:86

約数の個数: 80

約数和(自身を含む): 1124928

約数和(自身を除く): 739088

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 53, 56, 65, 70, 80, 91, 104, 106, 112, 130, 140, 182, 208, 212, 260, 265, 280, 364, 371, 424, 455, 520, 530, 560, 689, 728, 742, 848, 910, 1040, 1060, 1378, 1456, 1484, 1820, 1855, 2120, 2756, 2968, 3445, 3640, 3710, 4240, 4823, 5512, 5936, 6890, 7280, 7420, 9646, 11024, 13780, 14840, 19292, 24115, 27560, 29680, 38584, 48230, 55120, 77168, 96460, 192920, 385840]

約数ペア:

[(1, 385840), (2, 192920), (4, 96460), (5, 77168), (7, 55120), (8, 48230), (10, 38584), (13, 29680), (14, 27560), (16, 24115), (20, 19292), (26, 14840), (28, 13780), (35, 11024), (40, 9646), (52, 7420), (53, 7280), (56, 6890), (65, 5936), (70, 5512), (80, 4823), (91, 4240), (104, 3710), (106, 3640), (112, 3445), (130, 2968), (140, 2756), (182, 2120), (208, 1855), (212, 1820), (260, 1484), (265, 1456), (280, 1378), (364, 1060), (371, 1040), (424, 910), (455, 848), (520, 742), (530, 728), (560, 689)]