1554544220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{619}}^1\times {\mathrm{631}}^1$

素因数の和:1458

約数の個数: 48

約数和(自身を含む): 3291456000

約数和(自身を除く): 1736911780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 619, 631, 796, 995, 1238, 1262, 1990, 2476, 2524, 3095, 3155, 3980, 6190, 6310, 12380, 12620, 123181, 125569, 246362, 251138, 390589, 492724, 502276, 615905, 627845, 781178, 1231810, 1255690, 1562356, 1952945, 2463620, 2511380, 3905890, 7811780, 77727211, 155454422, 310908844, 388636055, 777272110, 1554544220]

約数ペア:

[(1, 1554544220), (2, 777272110), (4, 388636055), (5, 310908844), (10, 155454422), (20, 77727211), (199, 7811780), (398, 3905890), (619, 2511380), (631, 2463620), (796, 1952945), (995, 1562356), (1238, 1255690), (1262, 1231810), (1990, 781178), (2476, 627845), (2524, 615905), (3095, 502276), (3155, 492724), (3980, 390589), (6190, 251138), (6310, 246362), (12380, 125569), (12620, 123181)]