31745980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{9859}}^1$

素因数の和:9898

約数の個数: 48

約数和(自身を含む): 79511040

約数和(自身を除く): 47765060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 9859, 19718, 39436, 49295, 69013, 98590, 138026, 197180, 226757, 276052, 345065, 453514, 690130, 907028, 1133785, 1380260, 1587299, 2267570, 3174598, 4535140, 6349196, 7936495, 15872990, 31745980]

約数ペア:

[(1, 31745980), (2, 15872990), (4, 7936495), (5, 6349196), (7, 4535140), (10, 3174598), (14, 2267570), (20, 1587299), (23, 1380260), (28, 1133785), (35, 907028), (46, 690130), (70, 453514), (92, 345065), (115, 276052), (140, 226757), (161, 197180), (230, 138026), (322, 98590), (460, 69013), (644, 49295), (805, 39436), (1610, 19718), (3220, 9859)]