131431430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 268894080

約数和(自身を除く): 137462650

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 113, 115, 130, 226, 230, 299, 389, 565, 598, 778, 1130, 1469, 1495, 1945, 2599, 2938, 2990, 3890, 5057, 5198, 7345, 8947, 10114, 12995, 14690, 17894, 25285, 25990, 33787, 43957, 44735, 50570, 67574, 87914, 89470, 116311, 168935, 219785, 232622, 337870, 439570, 571441, 581555, 1011011, 1142882, 1163110, 2022022, 2857205, 5055055, 5714410, 10110110, 13143143, 26286286, 65715715, 131431430]

約数ペア:

[(1, 131431430), (2, 65715715), (5, 26286286), (10, 13143143), (13, 10110110), (23, 5714410), (26, 5055055), (46, 2857205), (65, 2022022), (113, 1163110), (115, 1142882), (130, 1011011), (226, 581555), (230, 571441), (299, 439570), (389, 337870), (565, 232622), (598, 219785), (778, 168935), (1130, 116311), (1469, 89470), (1495, 87914), (1945, 67574), (2599, 50570), (2938, 44735), (2990, 43957), (3890, 33787), (5057, 25990), (5198, 25285), (7345, 17894), (8947, 14690), (10114, 12995)]