312340820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:441

約数の個数: 96

約数和(自身を含む): 740589696

約数和(自身を除く): 428248876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 137, 172, 215, 220, 241, 274, 430, 473, 482, 548, 685, 860, 946, 964, 1205, 1370, 1507, 1892, 2365, 2410, 2651, 2740, 3014, 4730, 4820, 5302, 5891, 6028, 7535, 9460, 10363, 10604, 11782, 13255, 15070, 20726, 23564, 26510, 29455, 30140, 33017, 41452, 51815, 53020, 58910, 64801, 66034, 103630, 113993, 117820, 129602, 132068, 165085, 207260, 227986, 259204, 324005, 330170, 363187, 455972, 569965, 648010, 660340, 726374, 1139930, 1296020, 1419731, 1452748, 1815935, 2279860, 2839462, 3631870, 5678924, 7098655, 7263740, 14197310, 15617041, 28394620, 31234082, 62468164, 78085205, 156170410, 312340820]

約数ペア:

[(1, 312340820), (2, 156170410), (4, 78085205), (5, 62468164), (10, 31234082), (11, 28394620), (20, 15617041), (22, 14197310), (43, 7263740), (44, 7098655), (55, 5678924), (86, 3631870), (110, 2839462), (137, 2279860), (172, 1815935), (215, 1452748), (220, 1419731), (241, 1296020), (274, 1139930), (430, 726374), (473, 660340), (482, 648010), (548, 569965), (685, 455972), (860, 363187), (946, 330170), (964, 324005), (1205, 259204), (1370, 227986), (1507, 207260), (1892, 165085), (2365, 132068), (2410, 129602), (2651, 117820), (2740, 113993), (3014, 103630), (4730, 66034), (4820, 64801), (5302, 58910), (5891, 53020), (6028, 51815), (7535, 41452), (9460, 33017), (10363, 30140), (10604, 29455), (11782, 26510), (13255, 23564), (15070, 20726)]