30357140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{3209}}^1$

素因数の和:3272

約数の個数: 48

約数和(自身を含む): 71184960

約数和(自身を除く): 40827820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 3209, 4730, 6418, 9460, 12836, 16045, 32090, 35299, 64180, 70598, 137987, 141196, 176495, 275974, 352990, 551948, 689935, 705980, 1379870, 1517857, 2759740, 3035714, 6071428, 7589285, 15178570, 30357140]

約数ペア:

[(1, 30357140), (2, 15178570), (4, 7589285), (5, 6071428), (10, 3035714), (11, 2759740), (20, 1517857), (22, 1379870), (43, 705980), (44, 689935), (55, 551948), (86, 352990), (110, 275974), (172, 176495), (215, 141196), (220, 137987), (430, 70598), (473, 64180), (860, 35299), (946, 32090), (1892, 16045), (2365, 12836), (3209, 9460), (4730, 6418)]