90300340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{6553}}^1$

素因数の和:6628

約数の個数: 48

約数和(自身を含む): 208102608

約数和(自身を除く): 117802268

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6553, 6890, 13106, 13780, 26212, 32765, 65530, 85189, 131060, 170378, 340756, 347309, 425945, 694618, 851890, 1389236, 1703780, 1736545, 3473090, 4515017, 6946180, 9030034, 18060068, 22575085, 45150170, 90300340]

約数ペア:

[(1, 90300340), (2, 45150170), (4, 22575085), (5, 18060068), (10, 9030034), (13, 6946180), (20, 4515017), (26, 3473090), (52, 1736545), (53, 1703780), (65, 1389236), (106, 851890), (130, 694618), (212, 425945), (260, 347309), (265, 340756), (530, 170378), (689, 131060), (1060, 85189), (1378, 65530), (2756, 32765), (3445, 26212), (6553, 13780), (6890, 13106)]