311933920

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^2\times {\mathrm{283}}^1$

素因数の和:464

約数の個数: 72

約数和(自身を含む): 748565496

約数和(自身を除く): 436631576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 283, 332, 415, 566, 664, 830, 1132, 1328, 1415, 1660, 2264, 2656, 2830, 3320, 4528, 5660, 6640, 6889, 9056, 11320, 13280, 13778, 22640, 23489, 27556, 34445, 45280, 46978, 55112, 68890, 93956, 110224, 117445, 137780, 187912, 220448, 234890, 275560, 375824, 469780, 551120, 751648, 939560, 1102240, 1879120, 1949587, 3758240, 3899174, 7798348, 9747935, 15596696, 19495870, 31193392, 38991740, 62386784, 77983480, 155966960, 311933920]

約数ペア:

[(1, 311933920), (2, 155966960), (4, 77983480), (5, 62386784), (8, 38991740), (10, 31193392), (16, 19495870), (20, 15596696), (32, 9747935), (40, 7798348), (80, 3899174), (83, 3758240), (160, 1949587), (166, 1879120), (283, 1102240), (332, 939560), (415, 751648), (566, 551120), (664, 469780), (830, 375824), (1132, 275560), (1328, 234890), (1415, 220448), (1660, 187912), (2264, 137780), (2656, 117445), (2830, 110224), (3320, 93956), (4528, 68890), (5660, 55112), (6640, 46978), (6889, 45280), (9056, 34445), (11320, 27556), (13280, 23489), (13778, 22640)]