28022750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 61102080

約数和(自身を除く): 33079330

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 67, 70, 125, 134, 175, 239, 250, 335, 350, 469, 478, 670, 875, 938, 1195, 1673, 1675, 1750, 2345, 2390, 3346, 3350, 4690, 5975, 8365, 8375, 11725, 11950, 16013, 16730, 16750, 23450, 29875, 32026, 41825, 58625, 59750, 80065, 83650, 112091, 117250, 160130, 209125, 224182, 400325, 418250, 560455, 800650, 1120910, 2001625, 2802275, 4003250, 5604550, 14011375, 28022750]

約数ペア:

[(1, 28022750), (2, 14011375), (5, 5604550), (7, 4003250), (10, 2802275), (14, 2001625), (25, 1120910), (35, 800650), (50, 560455), (67, 418250), (70, 400325), (125, 224182), (134, 209125), (175, 160130), (239, 117250), (250, 112091), (335, 83650), (350, 80065), (469, 59750), (478, 58625), (670, 41825), (875, 32026), (938, 29875), (1195, 23450), (1673, 16750), (1675, 16730), (1750, 16013), (2345, 11950), (2390, 11725), (3346, 8375), (3350, 8365), (4690, 5975)]