191711940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{456457}}^1$

素因数の和:456476

約数の個数: 48

約数和(自身を含む): 613479552

約数和(自身を除く): 421767612

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, 456457, 912914, 1369371, 1825828, 2282285, 2738742, 3195199, 4564570, 5477484, 6390398, 6846855, 9129140, 9585597, 12780796, 13693710, 15975995, 19171194, 27387420, 31951990, 38342388, 47927985, 63903980, 95855970, 191711940]

約数ペア:

[(1, 191711940), (2, 95855970), (3, 63903980), (4, 47927985), (5, 38342388), (6, 31951990), (7, 27387420), (10, 19171194), (12, 15975995), (14, 13693710), (15, 12780796), (20, 9585597), (21, 9129140), (28, 6846855), (30, 6390398), (35, 5477484), (42, 4564570), (60, 3195199), (70, 2738742), (84, 2282285), (105, 1825828), (140, 1369371), (210, 912914), (420, 456457)]