28139370

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2851}}^1$

素因数の和:2915

約数の個数: 64

約数和(自身を含む): 78852096

約数和(自身を除く): 50712726

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 235, 282, 329, 470, 658, 705, 987, 1410, 1645, 1974, 2851, 3290, 4935, 5702, 8553, 9870, 14255, 17106, 19957, 28510, 39914, 42765, 59871, 85530, 99785, 119742, 133997, 199570, 267994, 299355, 401991, 598710, 669985, 803982, 937979, 1339970, 1875958, 2009955, 2813937, 4019910, 4689895, 5627874, 9379790, 14069685, 28139370]

約数ペア:

[(1, 28139370), (2, 14069685), (3, 9379790), (5, 5627874), (6, 4689895), (7, 4019910), (10, 2813937), (14, 2009955), (15, 1875958), (21, 1339970), (30, 937979), (35, 803982), (42, 669985), (47, 598710), (70, 401991), (94, 299355), (105, 267994), (141, 199570), (210, 133997), (235, 119742), (282, 99785), (329, 85530), (470, 59871), (658, 42765), (705, 39914), (987, 28510), (1410, 19957), (1645, 17106), (1974, 14255), (2851, 9870), (3290, 8553), (4935, 5702)]