213509940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{4751}}^1$

素因数の和:4877

約数の個数: 96

約数和(自身を含む): 689762304

約数和(自身を除く): 476252364

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 420, 428, 535, 642, 749, 1070, 1284, 1498, 1605, 2140, 2247, 2996, 3210, 3745, 4494, 4751, 6420, 7490, 8988, 9502, 11235, 14253, 14980, 19004, 22470, 23755, 28506, 33257, 44940, 47510, 57012, 66514, 71265, 95020, 99771, 133028, 142530, 166285, 199542, 285060, 332570, 399084, 498855, 508357, 665140, 997710, 1016714, 1525071, 1995420, 2033428, 2541785, 3050142, 3558499, 5083570, 6100284, 7116998, 7625355, 10167140, 10675497, 14233996, 15250710, 17792495, 21350994, 30501420, 35584990, 42701988, 53377485, 71169980, 106754970, 213509940]

約数ペア:

[(1, 213509940), (2, 106754970), (3, 71169980), (4, 53377485), (5, 42701988), (6, 35584990), (7, 30501420), (10, 21350994), (12, 17792495), (14, 15250710), (15, 14233996), (20, 10675497), (21, 10167140), (28, 7625355), (30, 7116998), (35, 6100284), (42, 5083570), (60, 3558499), (70, 3050142), (84, 2541785), (105, 2033428), (107, 1995420), (140, 1525071), (210, 1016714), (214, 997710), (321, 665140), (420, 508357), (428, 498855), (535, 399084), (642, 332570), (749, 285060), (1070, 199542), (1284, 166285), (1498, 142530), (1605, 133028), (2140, 99771), (2247, 95020), (2996, 71265), (3210, 66514), (3745, 57012), (4494, 47510), (4751, 44940), (6420, 33257), (7490, 28506), (8988, 23755), (9502, 22470), (11235, 19004), (14253, 14980)]