4898009090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{349}}^1\times {\mathrm{1213}}^1$

素因数の和:1671

約数の個数: 64

約数和(自身を含む): 9636732000

約数和(自身を除く): 4738722910

約数列:

[1, 2, 5, 10, 13, 26, 65, 89, 130, 178, 349, 445, 698, 890, 1157, 1213, 1745, 2314, 2426, 3490, 4537, 5785, 6065, 9074, 11570, 12130, 15769, 22685, 31061, 31538, 45370, 62122, 78845, 107957, 155305, 157690, 215914, 310610, 403793, 423337, 539785, 807586, 846674, 1079570, 1403441, 2018965, 2116685, 2806882, 4037930, 4233370, 5503381, 7017205, 11006762, 14034410, 27516905, 37676993, 55033810, 75353986, 188384965, 376769930, 489800909, 979601818, 2449004545, 4898009090]

約数ペア:

[(1, 4898009090), (2, 2449004545), (5, 979601818), (10, 489800909), (13, 376769930), (26, 188384965), (65, 75353986), (89, 55033810), (130, 37676993), (178, 27516905), (349, 14034410), (445, 11006762), (698, 7017205), (890, 5503381), (1157, 4233370), (1213, 4037930), (1745, 2806882), (2314, 2116685), (2426, 2018965), (3490, 1403441), (4537, 1079570), (5785, 846674), (6065, 807586), (9074, 539785), (11570, 423337), (12130, 403793), (15769, 310610), (22685, 215914), (31061, 157690), (31538, 155305), (45370, 107957), (62122, 78845)]