7718989880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1283}}^1\times {\mathrm{21487}}^1$

素因数の和:22788

約数の個数: 64

約数和(自身を含む): 19865226240

約数和(自身を除く): 12146236360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1283, 2566, 5132, 6415, 8981, 10264, 12830, 17962, 21487, 25660, 35924, 42974, 44905, 51320, 71848, 85948, 89810, 107435, 150409, 171896, 179620, 214870, 300818, 359240, 429740, 601636, 752045, 859480, 1203272, 1504090, 3008180, 6016360, 27567821, 55135642, 110271284, 137839105, 192974747, 220542568, 275678210, 385949494, 551356420, 771898988, 964873735, 1102712840, 1543797976, 1929747470, 3859494940, 7718989880]

約数ペア:

[(1, 7718989880), (2, 3859494940), (4, 1929747470), (5, 1543797976), (7, 1102712840), (8, 964873735), (10, 771898988), (14, 551356420), (20, 385949494), (28, 275678210), (35, 220542568), (40, 192974747), (56, 137839105), (70, 110271284), (140, 55135642), (280, 27567821), (1283, 6016360), (2566, 3008180), (5132, 1504090), (6415, 1203272), (8981, 859480), (10264, 752045), (12830, 601636), (17962, 429740), (21487, 359240), (25660, 300818), (35924, 214870), (42974, 179620), (44905, 171896), (51320, 150409), (71848, 107435), (85948, 89810)]