347627830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{20129}}^1$

素因数の和:20304

約数の個数: 32

約数和(自身を含む): 686996640

約数和(自身を除く): 339368810

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 314, 785, 1570, 1727, 3454, 8635, 17270, 20129, 40258, 100645, 201290, 221419, 442838, 1107095, 2214190, 3160253, 6320506, 15801265, 31602530, 34762783, 69525566, 173813915, 347627830]

約数ペア:

[(1, 347627830), (2, 173813915), (5, 69525566), (10, 34762783), (11, 31602530), (22, 15801265), (55, 6320506), (110, 3160253), (157, 2214190), (314, 1107095), (785, 442838), (1570, 221419), (1727, 201290), (3454, 100645), (8635, 40258), (17270, 20129)]