479675777720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{271}}^1\times {\mathrm{497197}}^1$

素因数の和:497568

約数の個数: 64

約数和(自身を含む): 1095426633600

約数和(自身を除く): 615750855880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 271, 356, 445, 542, 712, 890, 1084, 1355, 1780, 2168, 2710, 3560, 5420, 10840, 24119, 48238, 96476, 120595, 192952, 241190, 482380, 497197, 964760, 994394, 1988788, 2485985, 3977576, 4971970, 9943940, 19887880, 44250533, 88501066, 134740387, 177002132, 221252665, 269480774, 354004264, 442505330, 538961548, 673701935, 885010660, 1077923096, 1347403870, 1770021320, 2694807740, 5389615480, 11991894443, 23983788886, 47967577772, 59959472215, 95935155544, 119918944430, 239837888860, 479675777720]

約数ペア:

[(1, 479675777720), (2, 239837888860), (4, 119918944430), (5, 95935155544), (8, 59959472215), (10, 47967577772), (20, 23983788886), (40, 11991894443), (89, 5389615480), (178, 2694807740), (271, 1770021320), (356, 1347403870), (445, 1077923096), (542, 885010660), (712, 673701935), (890, 538961548), (1084, 442505330), (1355, 354004264), (1780, 269480774), (2168, 221252665), (2710, 177002132), (3560, 134740387), (5420, 88501066), (10840, 44250533), (24119, 19887880), (48238, 9943940), (96476, 4971970), (120595, 3977576), (192952, 2485985), (241190, 1988788), (482380, 994394), (497197, 964760)]