27725180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1531

約数の個数: 72

約数和(自身を含む): 71341200

約数和(自身を除く): 43616020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 95, 98, 133, 140, 190, 196, 245, 266, 380, 490, 532, 665, 931, 980, 1330, 1489, 1862, 2660, 2978, 3724, 4655, 5956, 7445, 9310, 10423, 14890, 18620, 20846, 28291, 29780, 41692, 52115, 56582, 72961, 104230, 113164, 141455, 145922, 198037, 208460, 282910, 291844, 364805, 396074, 565820, 729610, 792148, 990185, 1386259, 1459220, 1980370, 2772518, 3960740, 5545036, 6931295, 13862590, 27725180]

約数ペア:

[(1, 27725180), (2, 13862590), (4, 6931295), (5, 5545036), (7, 3960740), (10, 2772518), (14, 1980370), (19, 1459220), (20, 1386259), (28, 990185), (35, 792148), (38, 729610), (49, 565820), (70, 396074), (76, 364805), (95, 291844), (98, 282910), (133, 208460), (140, 198037), (190, 145922), (196, 141455), (245, 113164), (266, 104230), (380, 72961), (490, 56582), (532, 52115), (665, 41692), (931, 29780), (980, 28291), (1330, 20846), (1489, 18620), (1862, 14890), (2660, 10423), (2978, 9310), (3724, 7445), (4655, 5956)]