718900

素因数分解:

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

素因数の和:113

約数の個数: 72

約数和(自身を含む): 1944320

約数和(自身を除く): 1225420

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 79, 91, 100, 130, 140, 158, 175, 182, 260, 316, 325, 350, 364, 395, 455, 553, 650, 700, 790, 910, 1027, 1106, 1300, 1580, 1820, 1975, 2054, 2212, 2275, 2765, 3950, 4108, 4550, 5135, 5530, 7189, 7900, 9100, 10270, 11060, 13825, 14378, 20540, 25675, 27650, 28756, 35945, 51350, 55300, 71890, 102700, 143780, 179725, 359450, 718900]

約数ペア:

[(1, 718900), (2, 359450), (4, 179725), (5, 143780), (7, 102700), (10, 71890), (13, 55300), (14, 51350), (20, 35945), (25, 28756), (26, 27650), (28, 25675), (35, 20540), (50, 14378), (52, 13825), (65, 11060), (70, 10270), (79, 9100), (91, 7900), (100, 7189), (130, 5530), (140, 5135), (158, 4550), (175, 4108), (182, 3950), (260, 2765), (316, 2275), (325, 2212), (350, 2054), (364, 1975), (395, 1820), (455, 1580), (553, 1300), (650, 1106), (700, 1027), (790, 910)]