258515940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{253447}}^1$

素因数の和:253476

約数の個数: 48

約数和(自身を含む): 766426752

約数和(自身を除く): 507910812

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 253447, 506894, 760341, 1013788, 1267235, 1520682, 2534470, 3041364, 3801705, 4308599, 5068940, 7603410, 8617198, 12925797, 15206820, 17234396, 21542995, 25851594, 43085990, 51703188, 64628985, 86171980, 129257970, 258515940]

約数ペア:

[(1, 258515940), (2, 129257970), (3, 86171980), (4, 64628985), (5, 51703188), (6, 43085990), (10, 25851594), (12, 21542995), (15, 17234396), (17, 15206820), (20, 12925797), (30, 8617198), (34, 7603410), (51, 5068940), (60, 4308599), (68, 3801705), (85, 3041364), (102, 2534470), (170, 1520682), (204, 1267235), (255, 1013788), (340, 760341), (510, 506894), (1020, 253447)]