643838130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{550289}}^1$

素因数の和:550315

約数の個数: 48

約数和(自身を含む): 1802750040

約数和(自身を除く): 1158911910

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 550289, 1100578, 1650867, 2751445, 3301734, 4952601, 5502890, 7153757, 8254335, 9905202, 14307514, 16508670, 21461271, 24763005, 35768785, 42922542, 49526010, 64383813, 71537570, 107306355, 128767626, 214612710, 321919065, 643838130]

約数ペア:

[(1, 643838130), (2, 321919065), (3, 214612710), (5, 128767626), (6, 107306355), (9, 71537570), (10, 64383813), (13, 49526010), (15, 42922542), (18, 35768785), (26, 24763005), (30, 21461271), (39, 16508670), (45, 14307514), (65, 9905202), (78, 8254335), (90, 7153757), (117, 5502890), (130, 4952601), (195, 3301734), (234, 2751445), (390, 1650867), (585, 1100578), (1170, 550289)]