315443990

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1\times {\mathrm{977}}^1$

素因数の和:1456

約数の個数: 32

約数和(自身を含む): 576707040

約数和(自身を除く): 261263050

約数列:

[1, 2, 5, 10, 83, 166, 389, 415, 778, 830, 977, 1945, 1954, 3890, 4885, 9770, 32287, 64574, 81091, 161435, 162182, 322870, 380053, 405455, 760106, 810910, 1900265, 3800530, 31544399, 63088798, 157721995, 315443990]

約数ペア:

[(1, 315443990), (2, 157721995), (5, 63088798), (10, 31544399), (83, 3800530), (166, 1900265), (389, 810910), (415, 760106), (778, 405455), (830, 380053), (977, 322870), (1945, 162182), (1954, 161435), (3890, 81091), (4885, 64574), (9770, 32287)]