278813260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{587}}^1$

素因数の和:751

約数の個数: 96

約数和(自身を含む): 682795008

約数和(自身を除く): 403981748

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 127, 170, 187, 220, 254, 340, 374, 508, 587, 635, 748, 935, 1174, 1270, 1397, 1870, 2159, 2348, 2540, 2794, 2935, 3740, 4318, 5588, 5870, 6457, 6985, 8636, 9979, 10795, 11740, 12914, 13970, 19958, 21590, 23749, 25828, 27940, 32285, 39916, 43180, 47498, 49895, 64570, 74549, 94996, 99790, 109769, 118745, 129140, 149098, 199580, 219538, 237490, 298196, 372745, 439076, 474980, 548845, 745490, 820039, 1097690, 1267333, 1490980, 1640078, 2195380, 2534666, 3280156, 4100195, 5069332, 6336665, 8200390, 12673330, 13940663, 16400780, 25346660, 27881326, 55762652, 69703315, 139406630, 278813260]

約数ペア:

[(1, 278813260), (2, 139406630), (4, 69703315), (5, 55762652), (10, 27881326), (11, 25346660), (17, 16400780), (20, 13940663), (22, 12673330), (34, 8200390), (44, 6336665), (55, 5069332), (68, 4100195), (85, 3280156), (110, 2534666), (127, 2195380), (170, 1640078), (187, 1490980), (220, 1267333), (254, 1097690), (340, 820039), (374, 745490), (508, 548845), (587, 474980), (635, 439076), (748, 372745), (935, 298196), (1174, 237490), (1270, 219538), (1397, 199580), (1870, 149098), (2159, 129140), (2348, 118745), (2540, 109769), (2794, 99790), (2935, 94996), (3740, 74549), (4318, 64570), (5588, 49895), (5870, 47498), (6457, 43180), (6985, 39916), (8636, 32285), (9979, 27940), (10795, 25828), (11740, 23749), (12914, 21590), (13970, 19958)]