399163060

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{691}}^1\times {\mathrm{1699}}^1$

素因数の和:2416

約数の個数: 48

約数和(自身を含む): 889358400

約数和(自身を除く): 490195340

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 691, 1382, 1699, 2764, 3398, 3455, 6796, 6910, 8495, 11747, 13820, 16990, 23494, 28883, 33980, 46988, 57766, 58735, 115532, 117470, 144415, 234940, 288830, 577660, 1174009, 2348018, 4696036, 5870045, 11740090, 19958153, 23480180, 39916306, 79832612, 99790765, 199581530, 399163060]

約数ペア:

[(1, 399163060), (2, 199581530), (4, 99790765), (5, 79832612), (10, 39916306), (17, 23480180), (20, 19958153), (34, 11740090), (68, 5870045), (85, 4696036), (170, 2348018), (340, 1174009), (691, 577660), (1382, 288830), (1699, 234940), (2764, 144415), (3398, 117470), (3455, 115532), (6796, 58735), (6910, 57766), (8495, 46988), (11747, 33980), (13820, 28883), (16990, 23494)]