28904750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 33994450

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 83, 125, 166, 175, 199, 250, 350, 398, 415, 581, 830, 875, 995, 1162, 1393, 1750, 1990, 2075, 2786, 2905, 4150, 4975, 5810, 6965, 9950, 10375, 13930, 14525, 16517, 20750, 24875, 29050, 33034, 34825, 49750, 69650, 72625, 82585, 115619, 145250, 165170, 174125, 231238, 348250, 412925, 578095, 825850, 1156190, 2064625, 2890475, 4129250, 5780950, 14452375, 28904750]

約数ペア:

[(1, 28904750), (2, 14452375), (5, 5780950), (7, 4129250), (10, 2890475), (14, 2064625), (25, 1156190), (35, 825850), (50, 578095), (70, 412925), (83, 348250), (125, 231238), (166, 174125), (175, 165170), (199, 145250), (250, 115619), (350, 82585), (398, 72625), (415, 69650), (581, 49750), (830, 34825), (875, 33034), (995, 29050), (1162, 24875), (1393, 20750), (1750, 16517), (1990, 14525), (2075, 13930), (2786, 10375), (2905, 9950), (4150, 6965), (4975, 5810)]