2012121605

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{463}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 2710391040

約数和(自身を除く): 698269435

約数列:

[1, 5, 13, 37, 65, 139, 169, 185, 463, 481, 695, 845, 1807, 2315, 2405, 5143, 6019, 6253, 9035, 17131, 23491, 25715, 30095, 31265, 64357, 66859, 78247, 85655, 117455, 222703, 321785, 334295, 391235, 836641, 869167, 1113515, 2381209, 2895139, 4183205, 4345835, 10876333, 11906045, 14475695, 30955717, 54381665, 154778585, 402424321, 2012121605]

約数ペア:

[(1, 2012121605), (5, 402424321), (13, 154778585), (37, 54381665), (65, 30955717), (139, 14475695), (169, 11906045), (185, 10876333), (463, 4345835), (481, 4183205), (695, 2895139), (845, 2381209), (1807, 1113515), (2315, 869167), (2405, 836641), (5143, 391235), (6019, 334295), (6253, 321785), (9035, 222703), (17131, 117455), (23491, 85655), (25715, 78247), (30095, 66859), (31265, 64357)]