28700820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3889}}^1$

素因数の和:3945

約数の個数: 72

約数和(自身を含む): 89205480

約数和(自身を除く): 60504660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 3889, 7380, 7778, 11667, 15556, 19445, 23334, 35001, 38890, 46668, 58335, 70002, 77780, 116670, 140004, 159449, 175005, 233340, 318898, 350010, 478347, 637796, 700020, 797245, 956694, 1435041, 1594490, 1913388, 2391735, 2870082, 3188980, 4783470, 5740164, 7175205, 9566940, 14350410, 28700820]

約数ペア:

[(1, 28700820), (2, 14350410), (3, 9566940), (4, 7175205), (5, 5740164), (6, 4783470), (9, 3188980), (10, 2870082), (12, 2391735), (15, 1913388), (18, 1594490), (20, 1435041), (30, 956694), (36, 797245), (41, 700020), (45, 637796), (60, 478347), (82, 350010), (90, 318898), (123, 233340), (164, 175005), (180, 159449), (205, 140004), (246, 116670), (369, 77780), (410, 70002), (492, 58335), (615, 46668), (738, 38890), (820, 35001), (1230, 23334), (1476, 19445), (1845, 15556), (2460, 11667), (3690, 7778), (3889, 7380)]