121985220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{290441}}^1$

素因数の和:290460

約数の個数: 48

約数和(自身を含む): 390354048

約数和(自身を除く): 268368828

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, 290441, 580882, 871323, 1161764, 1452205, 1742646, 2033087, 2904410, 3485292, 4066174, 4356615, 5808820, 6099261, 8132348, 8713230, 10165435, 12198522, 17426460, 20330870, 24397044, 30496305, 40661740, 60992610, 121985220]

約数ペア:

[(1, 121985220), (2, 60992610), (3, 40661740), (4, 30496305), (5, 24397044), (6, 20330870), (7, 17426460), (10, 12198522), (12, 10165435), (14, 8713230), (15, 8132348), (20, 6099261), (21, 5808820), (28, 4356615), (30, 4066174), (35, 3485292), (42, 2904410), (60, 2033087), (70, 1742646), (84, 1452205), (105, 1161764), (140, 871323), (210, 580882), (420, 290441)]