89644520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{45737}}^1$

素因数の和:45762

約数の個数: 48

約数和(自身を含む): 234635940

約数和(自身を除く): 144991420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 45737, 91474, 182948, 228685, 320159, 365896, 457370, 640318, 914740, 1280636, 1600795, 1829480, 2241113, 2561272, 3201590, 4482226, 6403180, 8964452, 11205565, 12806360, 17928904, 22411130, 44822260, 89644520]

約数ペア:

[(1, 89644520), (2, 44822260), (4, 22411130), (5, 17928904), (7, 12806360), (8, 11205565), (10, 8964452), (14, 6403180), (20, 4482226), (28, 3201590), (35, 2561272), (40, 2241113), (49, 1829480), (56, 1600795), (70, 1280636), (98, 914740), (140, 640318), (196, 457370), (245, 365896), (280, 320159), (392, 228685), (490, 182948), (980, 91474), (1960, 45737)]