645830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:184

約数の個数: 32

約数和(自身を含む): 1283040

約数和(自身を除く): 637210

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 131, 145, 170, 262, 290, 493, 655, 986, 1310, 2227, 2465, 3799, 4454, 4930, 7598, 11135, 18995, 22270, 37990, 64583, 129166, 322915, 645830]

約数ペア:

[(1, 645830), (2, 322915), (5, 129166), (10, 64583), (17, 37990), (29, 22270), (34, 18995), (58, 11135), (85, 7598), (131, 4930), (145, 4454), (170, 3799), (262, 2465), (290, 2227), (493, 1310), (655, 986)]