388691460

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{239933}}^1$

素因数の和:239954

約数の個数: 60

約数和(自身を含む): 1219344588

約数和(自身を除く): 830653128

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 239933, 479866, 719799, 959732, 1199665, 1439598, 2159397, 2399330, 2879196, 3598995, 4318794, 4798660, 6478191, 7197990, 8637588, 10796985, 12956382, 14395980, 19434573, 21593970, 25912764, 32390955, 38869146, 43187940, 64781910, 77738292, 97172865, 129563820, 194345730, 388691460]

約数ペア:

[(1, 388691460), (2, 194345730), (3, 129563820), (4, 97172865), (5, 77738292), (6, 64781910), (9, 43187940), (10, 38869146), (12, 32390955), (15, 25912764), (18, 21593970), (20, 19434573), (27, 14395980), (30, 12956382), (36, 10796985), (45, 8637588), (54, 7197990), (60, 6478191), (81, 4798660), (90, 4318794), (108, 3598995), (135, 2879196), (162, 2399330), (180, 2159397), (270, 1439598), (324, 1199665), (405, 959732), (540, 719799), (810, 479866), (1620, 239933)]