305957540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:645

約数の個数: 96

約数和(自身を含む): 765676800

約数和(自身を除く): 459719260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 179, 203, 290, 358, 406, 421, 580, 716, 812, 842, 895, 1015, 1253, 1684, 1790, 2030, 2105, 2506, 2947, 3580, 4060, 4210, 5012, 5191, 5894, 6265, 8420, 10382, 11788, 12209, 12530, 14735, 20764, 24418, 25060, 25955, 29470, 36337, 48836, 51910, 58940, 61045, 72674, 75359, 85463, 103820, 122090, 145348, 150718, 170926, 181685, 244180, 301436, 341852, 363370, 376795, 427315, 527513, 726740, 753590, 854630, 1055026, 1507180, 1709260, 2110052, 2185411, 2637565, 4370822, 5275130, 8741644, 10550260, 10927055, 15297877, 21854110, 30595754, 43708220, 61191508, 76489385, 152978770, 305957540]

約数ペア:

[(1, 305957540), (2, 152978770), (4, 76489385), (5, 61191508), (7, 43708220), (10, 30595754), (14, 21854110), (20, 15297877), (28, 10927055), (29, 10550260), (35, 8741644), (58, 5275130), (70, 4370822), (116, 2637565), (140, 2185411), (145, 2110052), (179, 1709260), (203, 1507180), (290, 1055026), (358, 854630), (406, 753590), (421, 726740), (580, 527513), (716, 427315), (812, 376795), (842, 363370), (895, 341852), (1015, 301436), (1253, 244180), (1684, 181685), (1790, 170926), (2030, 150718), (2105, 145348), (2506, 122090), (2947, 103820), (3580, 85463), (4060, 75359), (4210, 72674), (5012, 61045), (5191, 58940), (5894, 51910), (6265, 48836), (8420, 36337), (10382, 29470), (11788, 25955), (12209, 25060), (12530, 24418), (14735, 20764)]