71470420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{233}}^1\times {\mathrm{313}}^1$

素因数の和:569

約数の個数: 72

約数和(自身を含む): 175901544

約数和(自身を除く): 104431124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 233, 245, 313, 466, 490, 626, 932, 980, 1165, 1252, 1565, 1631, 2191, 2330, 3130, 3262, 4382, 4660, 6260, 6524, 8155, 8764, 10955, 11417, 15337, 16310, 21910, 22834, 30674, 32620, 43820, 45668, 57085, 61348, 72929, 76685, 114170, 145858, 153370, 228340, 291716, 306740, 364645, 510503, 729290, 1021006, 1458580, 2042012, 2552515, 3573521, 5105030, 7147042, 10210060, 14294084, 17867605, 35735210, 71470420]

約数ペア:

[(1, 71470420), (2, 35735210), (4, 17867605), (5, 14294084), (7, 10210060), (10, 7147042), (14, 5105030), (20, 3573521), (28, 2552515), (35, 2042012), (49, 1458580), (70, 1021006), (98, 729290), (140, 510503), (196, 364645), (233, 306740), (245, 291716), (313, 228340), (466, 153370), (490, 145858), (626, 114170), (932, 76685), (980, 72929), (1165, 61348), (1252, 57085), (1565, 45668), (1631, 43820), (2191, 32620), (2330, 30674), (3130, 22834), (3262, 21910), (4382, 16310), (4660, 15337), (6260, 11417), (6524, 10955), (8155, 8764)]