220457580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{524899}}^1$

素因数の和:524918

約数の個数: 48

約数和(自身を含む): 705465600

約数和(自身を除く): 485008020

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, 524899, 1049798, 1574697, 2099596, 2624495, 3149394, 3674293, 5248990, 6298788, 7348586, 7873485, 10497980, 11022879, 14697172, 15746970, 18371465, 22045758, 31493940, 36742930, 44091516, 55114395, 73485860, 110228790, 220457580]

約数ペア:

[(1, 220457580), (2, 110228790), (3, 73485860), (4, 55114395), (5, 44091516), (6, 36742930), (7, 31493940), (10, 22045758), (12, 18371465), (14, 15746970), (15, 14697172), (20, 11022879), (21, 10497980), (28, 7873485), (30, 7348586), (35, 6298788), (42, 5248990), (60, 3674293), (70, 3149394), (84, 2624495), (105, 2099596), (140, 1574697), (210, 1049798), (420, 524899)]