228977980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{1931}}^1$

素因数の和:1976

約数の個数: 108

約数和(自身を含む): 615152664

約数和(自身を除く): 386174684

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 196, 220, 242, 245, 308, 385, 484, 490, 539, 605, 770, 847, 980, 1078, 1210, 1540, 1694, 1931, 2156, 2420, 2695, 3388, 3862, 4235, 5390, 5929, 7724, 8470, 9655, 10780, 11858, 13517, 16940, 19310, 21241, 23716, 27034, 29645, 38620, 42482, 54068, 59290, 67585, 84964, 94619, 106205, 118580, 135170, 148687, 189238, 212410, 233651, 270340, 297374, 378476, 424820, 467302, 473095, 594748, 743435, 934604, 946190, 1040809, 1168255, 1486870, 1635557, 1892380, 2081618, 2336510, 2973740, 3271114, 4163236, 4673020, 5204045, 6542228, 8177785, 10408090, 11448899, 16355570, 20816180, 22897798, 32711140, 45795596, 57244495, 114488990, 228977980]

約数ペア:

[(1, 228977980), (2, 114488990), (4, 57244495), (5, 45795596), (7, 32711140), (10, 22897798), (11, 20816180), (14, 16355570), (20, 11448899), (22, 10408090), (28, 8177785), (35, 6542228), (44, 5204045), (49, 4673020), (55, 4163236), (70, 3271114), (77, 2973740), (98, 2336510), (110, 2081618), (121, 1892380), (140, 1635557), (154, 1486870), (196, 1168255), (220, 1040809), (242, 946190), (245, 934604), (308, 743435), (385, 594748), (484, 473095), (490, 467302), (539, 424820), (605, 378476), (770, 297374), (847, 270340), (980, 233651), (1078, 212410), (1210, 189238), (1540, 148687), (1694, 135170), (1931, 118580), (2156, 106205), (2420, 94619), (2695, 84964), (3388, 67585), (3862, 59290), (4235, 54068), (5390, 42482), (5929, 38620), (7724, 29645), (8470, 27034), (9655, 23716), (10780, 21241), (11858, 19310), (13517, 16940)]