1999337620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{213149}}^1$

素因数の和:213232

約数の個数: 48

約数和(自身を含む): 4870051200

約数和(自身を除く): 2870713580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 67, 70, 134, 140, 268, 335, 469, 670, 938, 1340, 1876, 2345, 4690, 9380, 213149, 426298, 852596, 1065745, 1492043, 2131490, 2984086, 4262980, 5968172, 7460215, 14280983, 14920430, 28561966, 29840860, 57123932, 71404915, 99966881, 142809830, 199933762, 285619660, 399867524, 499834405, 999668810, 1999337620]

約数ペア:

[(1, 1999337620), (2, 999668810), (4, 499834405), (5, 399867524), (7, 285619660), (10, 199933762), (14, 142809830), (20, 99966881), (28, 71404915), (35, 57123932), (67, 29840860), (70, 28561966), (134, 14920430), (140, 14280983), (268, 7460215), (335, 5968172), (469, 4262980), (670, 2984086), (938, 2131490), (1340, 1492043), (1876, 1065745), (2345, 852596), (4690, 426298), (9380, 213149)]