1294994990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{8923}}^1$

素因数の和:9584

約数の個数: 32

約数和(自身を含む): 2436466176

約数和(自身を除く): 1141471186

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 631, 1262, 3155, 6310, 8923, 14513, 17846, 29026, 44615, 72565, 89230, 145130, 205229, 410458, 1026145, 2052290, 5630413, 11260826, 28152065, 56304130, 129499499, 258998998, 647497495, 1294994990]

約数ペア:

[(1, 1294994990), (2, 647497495), (5, 258998998), (10, 129499499), (23, 56304130), (46, 28152065), (115, 11260826), (230, 5630413), (631, 2052290), (1262, 1026145), (3155, 410458), (6310, 205229), (8923, 145130), (14513, 89230), (17846, 72565), (29026, 44615)]