31496250

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:289

約数の個数: 80

約数和(自身を含む): 81199008

約数和(自身を除く): 49702758

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 37, 50, 74, 75, 111, 125, 150, 185, 222, 227, 250, 370, 375, 454, 555, 625, 681, 750, 925, 1110, 1135, 1250, 1362, 1850, 1875, 2270, 2775, 3405, 3750, 4625, 5550, 5675, 6810, 8399, 9250, 11350, 13875, 16798, 17025, 23125, 25197, 27750, 28375, 34050, 41995, 46250, 50394, 56750, 69375, 83990, 85125, 125985, 138750, 141875, 170250, 209975, 251970, 283750, 419950, 425625, 629925, 851250, 1049875, 1259850, 2099750, 3149625, 5249375, 6299250, 10498750, 15748125, 31496250]

約数ペア:

[(1, 31496250), (2, 15748125), (3, 10498750), (5, 6299250), (6, 5249375), (10, 3149625), (15, 2099750), (25, 1259850), (30, 1049875), (37, 851250), (50, 629925), (74, 425625), (75, 419950), (111, 283750), (125, 251970), (150, 209975), (185, 170250), (222, 141875), (227, 138750), (250, 125985), (370, 85125), (375, 83990), (454, 69375), (555, 56750), (625, 50394), (681, 46250), (750, 41995), (925, 34050), (1110, 28375), (1135, 27750), (1250, 25197), (1362, 23125), (1850, 17025), (1875, 16798), (2270, 13875), (2775, 11350), (3405, 9250), (3750, 8399), (4625, 6810), (5550, 5675)]