128830820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{1223}}^1$

素因数の和:1484

約数の個数: 48

約数和(自身を含む): 283772160

約数和(自身を除く): 154941340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 229, 230, 458, 460, 916, 1145, 1223, 2290, 2446, 4580, 4892, 5267, 6115, 10534, 12230, 21068, 24460, 26335, 28129, 52670, 56258, 105340, 112516, 140645, 280067, 281290, 560134, 562580, 1120268, 1400335, 2800670, 5601340, 6441541, 12883082, 25766164, 32207705, 64415410, 128830820]

約数ペア:

[(1, 128830820), (2, 64415410), (4, 32207705), (5, 25766164), (10, 12883082), (20, 6441541), (23, 5601340), (46, 2800670), (92, 1400335), (115, 1120268), (229, 562580), (230, 560134), (458, 281290), (460, 280067), (916, 140645), (1145, 112516), (1223, 105340), (2290, 56258), (2446, 52670), (4580, 28129), (4892, 26335), (5267, 24460), (6115, 21068), (10534, 12230)]