840818430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{21089}}^1$

素因数の和:21545

約数の個数: 48

約数和(自身を含む): 2191166640

約数和(自身を除く): 1350348210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 443, 886, 1329, 2215, 2658, 3987, 4430, 6645, 7974, 13290, 19935, 21089, 39870, 42178, 63267, 105445, 126534, 189801, 210890, 316335, 379602, 632670, 949005, 1898010, 9342427, 18684854, 28027281, 46712135, 56054562, 84081843, 93424270, 140136405, 168163686, 280272810, 420409215, 840818430]

約数ペア:

[(1, 840818430), (2, 420409215), (3, 280272810), (5, 168163686), (6, 140136405), (9, 93424270), (10, 84081843), (15, 56054562), (18, 46712135), (30, 28027281), (45, 18684854), (90, 9342427), (443, 1898010), (886, 949005), (1329, 632670), (2215, 379602), (2658, 316335), (3987, 210890), (4430, 189801), (6645, 126534), (7974, 105445), (13290, 63267), (19935, 42178), (21089, 39870)]