408423760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{4451}}^1$

素因数の和:4532

約数の個数: 80

約数和(自身を含む): 1006935552

約数和(自身を除く): 598511792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 2294, 2480, 2960, 4451, 4588, 5735, 8902, 9176, 11470, 17804, 18352, 22255, 22940, 35608, 44510, 45880, 71216, 89020, 91760, 137981, 164687, 178040, 275962, 329374, 356080, 551924, 658748, 689905, 823435, 1103848, 1317496, 1379810, 1646870, 2207696, 2634992, 2759620, 3293740, 5105297, 5519240, 6587480, 10210594, 11038480, 13174960, 20421188, 25526485, 40842376, 51052970, 81684752, 102105940, 204211880, 408423760]

約数ペア:

[(1, 408423760), (2, 204211880), (4, 102105940), (5, 81684752), (8, 51052970), (10, 40842376), (16, 25526485), (20, 20421188), (31, 13174960), (37, 11038480), (40, 10210594), (62, 6587480), (74, 5519240), (80, 5105297), (124, 3293740), (148, 2759620), (155, 2634992), (185, 2207696), (248, 1646870), (296, 1379810), (310, 1317496), (370, 1103848), (496, 823435), (592, 689905), (620, 658748), (740, 551924), (1147, 356080), (1240, 329374), (1480, 275962), (2294, 178040), (2480, 164687), (2960, 137981), (4451, 91760), (4588, 89020), (5735, 71216), (8902, 45880), (9176, 44510), (11470, 35608), (17804, 22940), (18352, 22255)]