74747390

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1\times {\mathrm{443}}^1$

素因数の和:856

約数の個数: 32

約数和(自身を含む): 138101760

約数和(自身を除く): 63354370

約数列:

[1, 2, 5, 10, 47, 94, 235, 359, 443, 470, 718, 886, 1795, 2215, 3590, 4430, 16873, 20821, 33746, 41642, 84365, 104105, 159037, 168730, 208210, 318074, 795185, 1590370, 7474739, 14949478, 37373695, 74747390]

約数ペア:

[(1, 74747390), (2, 37373695), (5, 14949478), (10, 7474739), (47, 1590370), (94, 795185), (235, 318074), (359, 208210), (443, 168730), (470, 159037), (718, 104105), (886, 84365), (1795, 41642), (2215, 33746), (3590, 20821), (4430, 16873)]