2749240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 7076160

約数和(自身を除く): 4326920

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 311, 340, 442, 520, 622, 680, 884, 1105, 1244, 1555, 1768, 2210, 2488, 3110, 4043, 4420, 5287, 6220, 8086, 8840, 10574, 12440, 16172, 20215, 21148, 26435, 32344, 40430, 42296, 52870, 68731, 80860, 105740, 137462, 161720, 211480, 274924, 343655, 549848, 687310, 1374620, 2749240]

約数ペア:

[(1, 2749240), (2, 1374620), (4, 687310), (5, 549848), (8, 343655), (10, 274924), (13, 211480), (17, 161720), (20, 137462), (26, 105740), (34, 80860), (40, 68731), (52, 52870), (65, 42296), (68, 40430), (85, 32344), (104, 26435), (130, 21148), (136, 20215), (170, 16172), (221, 12440), (260, 10574), (311, 8840), (340, 8086), (442, 6220), (520, 5287), (622, 4420), (680, 4043), (884, 3110), (1105, 2488), (1244, 2210), (1555, 1768)]