212004080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1069}}^1$

素因数の和:1186

約数の個数: 80

約数和(自身を含む): 514267680

約数和(自身を除く): 302263600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 67, 74, 80, 134, 148, 185, 268, 296, 335, 370, 536, 592, 670, 740, 1069, 1072, 1340, 1480, 2138, 2479, 2680, 2960, 4276, 4958, 5345, 5360, 8552, 9916, 10690, 12395, 17104, 19832, 21380, 24790, 39553, 39664, 42760, 49580, 71623, 79106, 85520, 99160, 143246, 158212, 197765, 198320, 286492, 316424, 358115, 395530, 572984, 632848, 716230, 791060, 1145968, 1432460, 1582120, 2650051, 2864920, 3164240, 5300102, 5729840, 10600204, 13250255, 21200408, 26500510, 42400816, 53001020, 106002040, 212004080]

約数ペア:

[(1, 212004080), (2, 106002040), (4, 53001020), (5, 42400816), (8, 26500510), (10, 21200408), (16, 13250255), (20, 10600204), (37, 5729840), (40, 5300102), (67, 3164240), (74, 2864920), (80, 2650051), (134, 1582120), (148, 1432460), (185, 1145968), (268, 791060), (296, 716230), (335, 632848), (370, 572984), (536, 395530), (592, 358115), (670, 316424), (740, 286492), (1069, 198320), (1072, 197765), (1340, 158212), (1480, 143246), (2138, 99160), (2479, 85520), (2680, 79106), (2960, 71623), (4276, 49580), (4958, 42760), (5345, 39664), (5360, 39553), (8552, 24790), (9916, 21380), (10690, 19832), (12395, 17104)]