28776580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1$

素因数の和:253

約数の個数: 96

約数和(自身を含む): 74462976

約数和(自身を除く): 45686396

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 107, 113, 119, 140, 170, 214, 226, 238, 340, 428, 452, 476, 535, 565, 595, 749, 791, 1070, 1130, 1190, 1498, 1582, 1819, 1921, 2140, 2260, 2380, 2996, 3164, 3638, 3745, 3842, 3955, 7276, 7490, 7684, 7910, 9095, 9605, 12091, 12733, 13447, 14980, 15820, 18190, 19210, 24182, 25466, 26894, 36380, 38420, 48364, 50932, 53788, 60455, 63665, 67235, 84637, 120910, 127330, 134470, 169274, 205547, 241820, 254660, 268940, 338548, 411094, 423185, 822188, 846370, 1027735, 1438829, 1692740, 2055470, 2877658, 4110940, 5755316, 7194145, 14388290, 28776580]

約数ペア:

[(1, 28776580), (2, 14388290), (4, 7194145), (5, 5755316), (7, 4110940), (10, 2877658), (14, 2055470), (17, 1692740), (20, 1438829), (28, 1027735), (34, 846370), (35, 822188), (68, 423185), (70, 411094), (85, 338548), (107, 268940), (113, 254660), (119, 241820), (140, 205547), (170, 169274), (214, 134470), (226, 127330), (238, 120910), (340, 84637), (428, 67235), (452, 63665), (476, 60455), (535, 53788), (565, 50932), (595, 48364), (749, 38420), (791, 36380), (1070, 26894), (1130, 25466), (1190, 24182), (1498, 19210), (1582, 18190), (1819, 15820), (1921, 14980), (2140, 13447), (2260, 12733), (2380, 12091), (2996, 9605), (3164, 9095), (3638, 7910), (3745, 7684), (3842, 7490), (3955, 7276)]