406348540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{38119}}^1$

素因数の和:38182

約数の個数: 48

約数和(自身を含む): 941411520

約数和(自身を除く): 535062980

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 410, 533, 820, 1066, 2132, 2665, 5330, 10660, 38119, 76238, 152476, 190595, 381190, 495547, 762380, 991094, 1562879, 1982188, 2477735, 3125758, 4955470, 6251516, 7814395, 9910940, 15628790, 20317427, 31257580, 40634854, 81269708, 101587135, 203174270, 406348540]

約数ペア:

[(1, 406348540), (2, 203174270), (4, 101587135), (5, 81269708), (10, 40634854), (13, 31257580), (20, 20317427), (26, 15628790), (41, 9910940), (52, 7814395), (65, 6251516), (82, 4955470), (130, 3125758), (164, 2477735), (205, 1982188), (260, 1562879), (410, 991094), (533, 762380), (820, 495547), (1066, 381190), (2132, 190595), (2665, 152476), (5330, 76238), (10660, 38119)]