2042670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 5723136

約数和(自身を除く): 3680466

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 71, 105, 137, 142, 210, 213, 274, 355, 411, 426, 497, 685, 710, 822, 959, 994, 1065, 1370, 1491, 1918, 2055, 2130, 2485, 2877, 2982, 4110, 4795, 4970, 5754, 7455, 9590, 9727, 14385, 14910, 19454, 28770, 29181, 48635, 58362, 68089, 97270, 136178, 145905, 204267, 291810, 340445, 408534, 680890, 1021335, 2042670]

約数ペア:

[(1, 2042670), (2, 1021335), (3, 680890), (5, 408534), (6, 340445), (7, 291810), (10, 204267), (14, 145905), (15, 136178), (21, 97270), (30, 68089), (35, 58362), (42, 48635), (70, 29181), (71, 28770), (105, 19454), (137, 14910), (142, 14385), (210, 9727), (213, 9590), (274, 7455), (355, 5754), (411, 4970), (426, 4795), (497, 4110), (685, 2982), (710, 2877), (822, 2485), (959, 2130), (994, 2055), (1065, 1918), (1370, 1491)]