3131940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{7457}}^1$

素因数の和:7476

約数の個数: 48

約数和(自身を含む): 10023552

約数和(自身を除く): 6891612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 7457, 14914, 22371, 29828, 37285, 44742, 52199, 74570, 89484, 104398, 111855, 149140, 156597, 208796, 223710, 260995, 313194, 447420, 521990, 626388, 782985, 1043980, 1565970, 3131940]

約数ペア:

[(1, 3131940), (2, 1565970), (3, 1043980), (4, 782985), (5, 626388), (6, 521990), (7, 447420), (10, 313194), (12, 260995), (14, 223710), (15, 208796), (20, 156597), (21, 149140), (28, 111855), (30, 104398), (35, 89484), (42, 74570), (60, 52199), (70, 44742), (84, 37285), (105, 29828), (140, 22371), (210, 14914), (420, 7457)]