279262808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 128

約数和(自身を含む): 645019200

約数和(自身を除く): 365756392

約数列:

[1, 2, 4, 8, 11, 17, 22, 29, 34, 41, 44, 58, 68, 82, 88, 116, 136, 157, 164, 187, 232, 314, 319, 328, 374, 451, 493, 628, 638, 697, 748, 902, 986, 1189, 1256, 1276, 1394, 1496, 1727, 1804, 1972, 2378, 2552, 2669, 2788, 3454, 3608, 3944, 4553, 4756, 5338, 5423, 5576, 6437, 6908, 7667, 9106, 9512, 10676, 10846, 12874, 13079, 13816, 15334, 18212, 20213, 21352, 21692, 25748, 26158, 29359, 30668, 36424, 40426, 43384, 50083, 51496, 52316, 58718, 61336, 70807, 77401, 80852, 100166, 104632, 109429, 117436, 141614, 154802, 161704, 186673, 200332, 218858, 222343, 234872, 283228, 309604, 373346, 400664, 437716, 444686, 566456, 619208, 746692, 851411, 875432, 889372, 1203719, 1493384, 1702822, 1778744, 2053403, 2407438, 3173441, 3405644, 4106806, 4814876, 6346882, 6811288, 8213612, 9629752, 12693764, 16427224, 25387528, 34907851, 69815702, 139631404, 279262808]

約数ペア:

[(1, 279262808), (2, 139631404), (4, 69815702), (8, 34907851), (11, 25387528), (17, 16427224), (22, 12693764), (29, 9629752), (34, 8213612), (41, 6811288), (44, 6346882), (58, 4814876), (68, 4106806), (82, 3405644), (88, 3173441), (116, 2407438), (136, 2053403), (157, 1778744), (164, 1702822), (187, 1493384), (232, 1203719), (314, 889372), (319, 875432), (328, 851411), (374, 746692), (451, 619208), (493, 566456), (628, 444686), (638, 437716), (697, 400664), (748, 373346), (902, 309604), (986, 283228), (1189, 234872), (1256, 222343), (1276, 218858), (1394, 200332), (1496, 186673), (1727, 161704), (1804, 154802), (1972, 141614), (2378, 117436), (2552, 109429), (2669, 104632), (2788, 100166), (3454, 80852), (3608, 77401), (3944, 70807), (4553, 61336), (4756, 58718), (5338, 52316), (5423, 51496), (5576, 50083), (6437, 43384), (6908, 40426), (7667, 36424), (9106, 30668), (9512, 29359), (10676, 26158), (10846, 25748), (12874, 21692), (13079, 21352), (13816, 20213), (15334, 18212)]