13957720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:728

約数の個数: 64

約数和(自身を含む): 36403200

約数和(自身を除く): 22445480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 631, 632, 790, 1106, 1262, 1580, 2212, 2524, 2765, 3155, 3160, 4417, 4424, 5048, 5530, 6310, 8834, 11060, 12620, 17668, 22085, 22120, 25240, 35336, 44170, 49849, 88340, 99698, 176680, 199396, 249245, 348943, 398792, 498490, 697886, 996980, 1395772, 1744715, 1993960, 2791544, 3489430, 6978860, 13957720]

約数ペア:

[(1, 13957720), (2, 6978860), (4, 3489430), (5, 2791544), (7, 1993960), (8, 1744715), (10, 1395772), (14, 996980), (20, 697886), (28, 498490), (35, 398792), (40, 348943), (56, 249245), (70, 199396), (79, 176680), (140, 99698), (158, 88340), (280, 49849), (316, 44170), (395, 35336), (553, 25240), (631, 22120), (632, 22085), (790, 17668), (1106, 12620), (1262, 11060), (1580, 8834), (2212, 6310), (2524, 5530), (2765, 5048), (3155, 4424), (3160, 4417)]