2666855380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{17333}}^1$

素因数の和:17513

約数の個数: 72

約数和(自身を含む): 6556620168

約数和(自身を除く): 3889764788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 628, 785, 980, 1099, 1570, 2198, 3140, 4396, 5495, 7693, 10990, 15386, 17333, 21980, 30772, 34666, 38465, 69332, 76930, 86665, 121331, 153860, 173330, 242662, 346660, 485324, 606655, 849317, 1213310, 1698634, 2426620, 2721281, 3397268, 4246585, 5442562, 8493170, 10885124, 13606405, 16986340, 19048967, 27212810, 38097934, 54425620, 76195868, 95244835, 133342769, 190489670, 266685538, 380979340, 533371076, 666713845, 1333427690, 2666855380]

約数ペア:

[(1, 2666855380), (2, 1333427690), (4, 666713845), (5, 533371076), (7, 380979340), (10, 266685538), (14, 190489670), (20, 133342769), (28, 95244835), (35, 76195868), (49, 54425620), (70, 38097934), (98, 27212810), (140, 19048967), (157, 16986340), (196, 13606405), (245, 10885124), (314, 8493170), (490, 5442562), (628, 4246585), (785, 3397268), (980, 2721281), (1099, 2426620), (1570, 1698634), (2198, 1213310), (3140, 849317), (4396, 606655), (5495, 485324), (7693, 346660), (10990, 242662), (15386, 173330), (17333, 153860), (21980, 121331), (30772, 86665), (34666, 76930), (38465, 69332)]