750995620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1\times {\mathrm{1163}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 1601570880

約数和(自身を除く): 850575260

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 389, 415, 778, 830, 1163, 1556, 1660, 1945, 2326, 3890, 4652, 5815, 7780, 11630, 23260, 32287, 64574, 96529, 129148, 161435, 193058, 322870, 386116, 452407, 482645, 645740, 904814, 965290, 1809628, 1930580, 2262035, 4524070, 9048140, 37549781, 75099562, 150199124, 187748905, 375497810, 750995620]

約数ペア:

[(1, 750995620), (2, 375497810), (4, 187748905), (5, 150199124), (10, 75099562), (20, 37549781), (83, 9048140), (166, 4524070), (332, 2262035), (389, 1930580), (415, 1809628), (778, 965290), (830, 904814), (1163, 645740), (1556, 482645), (1660, 452407), (1945, 386116), (2326, 322870), (3890, 193058), (4652, 161435), (5815, 129148), (7780, 96529), (11630, 64574), (23260, 32287)]