2897720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 7603200

約数和(自身を除く): 4705480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 131, 140, 158, 262, 280, 316, 395, 524, 553, 632, 655, 790, 917, 1048, 1106, 1310, 1580, 1834, 2212, 2620, 2765, 3160, 3668, 4424, 4585, 5240, 5530, 7336, 9170, 10349, 11060, 18340, 20698, 22120, 36680, 41396, 51745, 72443, 82792, 103490, 144886, 206980, 289772, 362215, 413960, 579544, 724430, 1448860, 2897720]

約数ペア:

[(1, 2897720), (2, 1448860), (4, 724430), (5, 579544), (7, 413960), (8, 362215), (10, 289772), (14, 206980), (20, 144886), (28, 103490), (35, 82792), (40, 72443), (56, 51745), (70, 41396), (79, 36680), (131, 22120), (140, 20698), (158, 18340), (262, 11060), (280, 10349), (316, 9170), (395, 7336), (524, 5530), (553, 5240), (632, 4585), (655, 4424), (790, 3668), (917, 3160), (1048, 2765), (1106, 2620), (1310, 2212), (1580, 1834)]