2019143620

素因数分解:

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

素因数の和:797

約数の個数: 96

約数和(自身を含む): 4656960000

約数和(自身を除く): 2637816380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 197, 260, 316, 394, 395, 499, 788, 790, 985, 998, 1027, 1580, 1970, 1996, 2054, 2495, 2561, 3940, 4108, 4990, 5122, 5135, 6487, 9980, 10244, 10270, 12805, 12974, 15563, 20540, 25610, 25948, 31126, 32435, 39421, 51220, 62252, 64870, 77815, 78842, 98303, 129740, 155630, 157684, 196606, 197105, 202319, 311260, 393212, 394210, 404638, 491515, 512473, 788420, 809276, 983030, 1011595, 1024946, 1277939, 1966060, 2023190, 2049892, 2555878, 2562365, 4046380, 5111756, 5124730, 6389695, 7765937, 10249460, 12779390, 15531874, 25558780, 31063748, 38829685, 77659370, 100957181, 155318740, 201914362, 403828724, 504785905, 1009571810, 2019143620]

約数ペア:

[(1, 2019143620), (2, 1009571810), (4, 504785905), (5, 403828724), (10, 201914362), (13, 155318740), (20, 100957181), (26, 77659370), (52, 38829685), (65, 31063748), (79, 25558780), (130, 15531874), (158, 12779390), (197, 10249460), (260, 7765937), (316, 6389695), (394, 5124730), (395, 5111756), (499, 4046380), (788, 2562365), (790, 2555878), (985, 2049892), (998, 2023190), (1027, 1966060), (1580, 1277939), (1970, 1024946), (1996, 1011595), (2054, 983030), (2495, 809276), (2561, 788420), (3940, 512473), (4108, 491515), (4990, 404638), (5122, 394210), (5135, 393212), (6487, 311260), (9980, 202319), (10244, 197105), (10270, 196606), (12805, 157684), (12974, 155630), (15563, 129740), (20540, 98303), (25610, 78842), (25948, 77815), (31126, 64870), (32435, 62252), (39421, 51220)]