201414920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1669}}^1$

素因数の和:2118

約数の個数: 64

約数和(自身を含む): 519436800

約数和(自身を除く): 318021880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 1669, 1724, 2155, 3017, 3338, 3448, 4310, 6034, 6676, 8345, 8620, 11683, 12068, 13352, 15085, 16690, 17240, 23366, 24136, 30170, 33380, 46732, 58415, 60340, 66760, 93464, 116830, 120680, 233660, 467320, 719339, 1438678, 2877356, 3596695, 5035373, 5754712, 7193390, 10070746, 14386780, 20141492, 25176865, 28773560, 40282984, 50353730, 100707460, 201414920]

約数ペア:

[(1, 201414920), (2, 100707460), (4, 50353730), (5, 40282984), (7, 28773560), (8, 25176865), (10, 20141492), (14, 14386780), (20, 10070746), (28, 7193390), (35, 5754712), (40, 5035373), (56, 3596695), (70, 2877356), (140, 1438678), (280, 719339), (431, 467320), (862, 233660), (1669, 120680), (1724, 116830), (2155, 93464), (3017, 66760), (3338, 60340), (3448, 58415), (4310, 46732), (6034, 33380), (6676, 30170), (8345, 24136), (8620, 23366), (11683, 17240), (12068, 16690), (13352, 15085)]