1009571810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:795

約数の個数: 64

約数和(自身を含む): 1995840000

約数和(自身を除く): 986268190

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 197, 394, 395, 499, 790, 985, 998, 1027, 1970, 2054, 2495, 2561, 4990, 5122, 5135, 6487, 10270, 12805, 12974, 15563, 25610, 31126, 32435, 39421, 64870, 77815, 78842, 98303, 155630, 196606, 197105, 202319, 394210, 404638, 491515, 512473, 983030, 1011595, 1024946, 1277939, 2023190, 2555878, 2562365, 5124730, 6389695, 7765937, 12779390, 15531874, 38829685, 77659370, 100957181, 201914362, 504785905, 1009571810]

約数ペア:

[(1, 1009571810), (2, 504785905), (5, 201914362), (10, 100957181), (13, 77659370), (26, 38829685), (65, 15531874), (79, 12779390), (130, 7765937), (158, 6389695), (197, 5124730), (394, 2562365), (395, 2555878), (499, 2023190), (790, 1277939), (985, 1024946), (998, 1011595), (1027, 983030), (1970, 512473), (2054, 491515), (2495, 404638), (2561, 394210), (4990, 202319), (5122, 197105), (5135, 196606), (6487, 155630), (10270, 98303), (12805, 78842), (12974, 77815), (15563, 64870), (25610, 39421), (31126, 32435)]