27757940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 71850240

約数和(自身を除く): 44092300

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 107, 109, 119, 140, 170, 214, 218, 238, 340, 428, 436, 476, 535, 545, 595, 749, 763, 1070, 1090, 1190, 1498, 1526, 1819, 1853, 2140, 2180, 2380, 2996, 3052, 3638, 3706, 3745, 3815, 7276, 7412, 7490, 7630, 9095, 9265, 11663, 12733, 12971, 14980, 15260, 18190, 18530, 23326, 25466, 25942, 36380, 37060, 46652, 50932, 51884, 58315, 63665, 64855, 81641, 116630, 127330, 129710, 163282, 198271, 233260, 254660, 259420, 326564, 396542, 408205, 793084, 816410, 991355, 1387897, 1632820, 1982710, 2775794, 3965420, 5551588, 6939485, 13878970, 27757940]

約数ペア:

[(1, 27757940), (2, 13878970), (4, 6939485), (5, 5551588), (7, 3965420), (10, 2775794), (14, 1982710), (17, 1632820), (20, 1387897), (28, 991355), (34, 816410), (35, 793084), (68, 408205), (70, 396542), (85, 326564), (107, 259420), (109, 254660), (119, 233260), (140, 198271), (170, 163282), (214, 129710), (218, 127330), (238, 116630), (340, 81641), (428, 64855), (436, 63665), (476, 58315), (535, 51884), (545, 50932), (595, 46652), (749, 37060), (763, 36380), (1070, 25942), (1090, 25466), (1190, 23326), (1498, 18530), (1526, 18190), (1819, 15260), (1853, 14980), (2140, 12971), (2180, 12733), (2380, 11663), (2996, 9265), (3052, 9095), (3638, 7630), (3706, 7490), (3745, 7412), (3815, 7276)]