90904240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{599}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 242841600

約数和(自身を除く): 151937360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 271, 280, 542, 560, 599, 1084, 1198, 1355, 1897, 2168, 2396, 2710, 2995, 3794, 4193, 4336, 4792, 5420, 5990, 7588, 8386, 9485, 9584, 10840, 11980, 15176, 16772, 18970, 20965, 21680, 23960, 30352, 33544, 37940, 41930, 47920, 67088, 75880, 83860, 151760, 162329, 167720, 324658, 335440, 649316, 811645, 1136303, 1298632, 1623290, 2272606, 2597264, 3246580, 4545212, 5681515, 6493160, 9090424, 11363030, 12986320, 18180848, 22726060, 45452120, 90904240]

約数ペア:

[(1, 90904240), (2, 45452120), (4, 22726060), (5, 18180848), (7, 12986320), (8, 11363030), (10, 9090424), (14, 6493160), (16, 5681515), (20, 4545212), (28, 3246580), (35, 2597264), (40, 2272606), (56, 1623290), (70, 1298632), (80, 1136303), (112, 811645), (140, 649316), (271, 335440), (280, 324658), (542, 167720), (560, 162329), (599, 151760), (1084, 83860), (1198, 75880), (1355, 67088), (1897, 47920), (2168, 41930), (2396, 37940), (2710, 33544), (2995, 30352), (3794, 23960), (4193, 21680), (4336, 20965), (4792, 18970), (5420, 16772), (5990, 15176), (7588, 11980), (8386, 10840), (9485, 9584)]