4237240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{409}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 11217600

約数和(自身を除く): 6980360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 409, 518, 740, 818, 1036, 1295, 1480, 1636, 2045, 2072, 2590, 2863, 3272, 4090, 5180, 5726, 8180, 10360, 11452, 14315, 15133, 16360, 22904, 28630, 30266, 57260, 60532, 75665, 105931, 114520, 121064, 151330, 211862, 302660, 423724, 529655, 605320, 847448, 1059310, 2118620, 4237240]

約数ペア:

[(1, 4237240), (2, 2118620), (4, 1059310), (5, 847448), (7, 605320), (8, 529655), (10, 423724), (14, 302660), (20, 211862), (28, 151330), (35, 121064), (37, 114520), (40, 105931), (56, 75665), (70, 60532), (74, 57260), (140, 30266), (148, 28630), (185, 22904), (259, 16360), (280, 15133), (296, 14315), (370, 11452), (409, 10360), (518, 8180), (740, 5726), (818, 5180), (1036, 4090), (1295, 3272), (1480, 2863), (1636, 2590), (2045, 2072)]