670857590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:633

約数の個数: 64

約数和(自身を含む): 1328334336

約数和(自身を除く): 657476746

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 223, 317, 365, 446, 634, 730, 949, 1115, 1585, 1898, 2230, 2899, 3170, 4121, 4745, 5798, 8242, 9490, 14495, 16279, 20605, 23141, 28990, 32558, 41210, 46282, 70691, 81395, 115705, 141382, 162790, 211627, 231410, 300833, 353455, 423254, 601666, 706910, 918983, 1058135, 1504165, 1837966, 2116270, 3008330, 4594915, 5160443, 9189830, 10320886, 25802215, 51604430, 67085759, 134171518, 335428795, 670857590]

約数ペア:

[(1, 670857590), (2, 335428795), (5, 134171518), (10, 67085759), (13, 51604430), (26, 25802215), (65, 10320886), (73, 9189830), (130, 5160443), (146, 4594915), (223, 3008330), (317, 2116270), (365, 1837966), (446, 1504165), (634, 1058135), (730, 918983), (949, 706910), (1115, 601666), (1585, 423254), (1898, 353455), (2230, 300833), (2899, 231410), (3170, 211627), (4121, 162790), (4745, 141382), (5798, 115705), (8242, 81395), (9490, 70691), (14495, 46282), (16279, 41210), (20605, 32558), (23141, 28990)]