279432880

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{1409}}^1$

素因数の和:1526

約数の個数: 80

約数和(自身を含む): 677679840

約数和(自身を除く): 398246960

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, 1072, 1340, 1409, 1480, 2479, 2680, 2818, 2960, 4958, 5360, 5636, 7045, 9916, 11272, 12395, 14090, 19832, 22544, 24790, 28180, 39664, 49580, 52133, 56360, 94403, 99160, 104266, 112720, 188806, 198320, 208532, 260665, 377612, 417064, 472015, 521330, 755224, 834128, 944030, 1042660, 1510448, 1888060, 2085320, 3492911, 3776120, 4170640, 6985822, 7552240, 13971644, 17464555, 27943288, 34929110, 55886576, 69858220, 139716440, 279432880]

約数ペア:

[(1, 279432880), (2, 139716440), (4, 69858220), (5, 55886576), (8, 34929110), (10, 27943288), (16, 17464555), (20, 13971644), (37, 7552240), (40, 6985822), (67, 4170640), (74, 3776120), (80, 3492911), (134, 2085320), (148, 1888060), (185, 1510448), (268, 1042660), (296, 944030), (335, 834128), (370, 755224), (536, 521330), (592, 472015), (670, 417064), (740, 377612), (1072, 260665), (1340, 208532), (1409, 198320), (1480, 188806), (2479, 112720), (2680, 104266), (2818, 99160), (2960, 94403), (4958, 56360), (5360, 52133), (5636, 49580), (7045, 39664), (9916, 28180), (11272, 24790), (12395, 22544), (14090, 19832)]