179442820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{1013}}^1$

素因数の和:1560

約数の個数: 48

約数和(自身を含む): 400156848

約数和(自身を除く): 220714028

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 521, 1013, 1042, 2026, 2084, 2605, 4052, 5065, 5210, 8857, 10130, 10420, 17221, 17714, 20260, 34442, 35428, 44285, 68884, 86105, 88570, 172210, 177140, 344420, 527773, 1055546, 2111092, 2638865, 5277730, 8972141, 10555460, 17944282, 35888564, 44860705, 89721410, 179442820]

約数ペア:

[(1, 179442820), (2, 89721410), (4, 44860705), (5, 35888564), (10, 17944282), (17, 10555460), (20, 8972141), (34, 5277730), (68, 2638865), (85, 2111092), (170, 1055546), (340, 527773), (521, 344420), (1013, 177140), (1042, 172210), (2026, 88570), (2084, 86105), (2605, 68884), (4052, 44285), (5065, 35428), (5210, 34442), (8857, 20260), (10130, 17714), (10420, 17221)]