143780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 376320

約数和(自身を除く): 232540

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 79, 91, 130, 140, 158, 182, 260, 316, 364, 395, 455, 553, 790, 910, 1027, 1106, 1580, 1820, 2054, 2212, 2765, 4108, 5135, 5530, 7189, 10270, 11060, 14378, 20540, 28756, 35945, 71890, 143780]

約数ペア:

[(1, 143780), (2, 71890), (4, 35945), (5, 28756), (7, 20540), (10, 14378), (13, 11060), (14, 10270), (20, 7189), (26, 5530), (28, 5135), (35, 4108), (52, 2765), (65, 2212), (70, 2054), (79, 1820), (91, 1580), (130, 1106), (140, 1027), (158, 910), (182, 790), (260, 553), (316, 455), (364, 395)]