399888110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{6047}}^1$

素因数の和:6460

約数の個数: 32

約数和(自身を含む): 764225280

約数和(自身を除く): 364337170

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 389, 778, 1945, 3890, 6047, 6613, 12094, 13226, 30235, 33065, 60470, 66130, 102799, 205598, 513995, 1027990, 2352283, 4704566, 11761415, 23522830, 39988811, 79977622, 199944055, 399888110]

約数ペア:

[(1, 399888110), (2, 199944055), (5, 79977622), (10, 39988811), (17, 23522830), (34, 11761415), (85, 4704566), (170, 2352283), (389, 1027990), (778, 513995), (1945, 205598), (3890, 102799), (6047, 66130), (6613, 60470), (12094, 33065), (13226, 30235)]