85863820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1423}}^1$

素因数の和:1870

約数の個数: 48

約数和(自身を含む): 206696448

約数和(自身を除く): 120832628

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 431, 862, 1423, 1724, 2155, 2846, 3017, 4310, 5692, 6034, 7115, 8620, 9961, 12068, 14230, 15085, 19922, 28460, 30170, 39844, 49805, 60340, 99610, 199220, 613313, 1226626, 2453252, 3066565, 4293191, 6133130, 8586382, 12266260, 17172764, 21465955, 42931910, 85863820]

約数ペア:

[(1, 85863820), (2, 42931910), (4, 21465955), (5, 17172764), (7, 12266260), (10, 8586382), (14, 6133130), (20, 4293191), (28, 3066565), (35, 2453252), (70, 1226626), (140, 613313), (431, 199220), (862, 99610), (1423, 60340), (1724, 49805), (2155, 39844), (2846, 30170), (3017, 28460), (4310, 19922), (5692, 15085), (6034, 14230), (7115, 12068), (8620, 9961)]