919914340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{5101}}^1$

素因数の和:5308

約数の個数: 48

約数和(自身を含む): 1974841344

約数和(自身を除く): 1054927004

約数列:

[1, 2, 4, 5, 10, 20, 71, 127, 142, 254, 284, 355, 508, 635, 710, 1270, 1420, 2540, 5101, 9017, 10202, 18034, 20404, 25505, 36068, 45085, 51010, 90170, 102020, 180340, 362171, 647827, 724342, 1295654, 1448684, 1810855, 2591308, 3239135, 3621710, 6478270, 7243420, 12956540, 45995717, 91991434, 183982868, 229978585, 459957170, 919914340]

約数ペア:

[(1, 919914340), (2, 459957170), (4, 229978585), (5, 183982868), (10, 91991434), (20, 45995717), (71, 12956540), (127, 7243420), (142, 6478270), (254, 3621710), (284, 3239135), (355, 2591308), (508, 1810855), (635, 1448684), (710, 1295654), (1270, 724342), (1420, 647827), (2540, 362171), (5101, 180340), (9017, 102020), (10202, 90170), (18034, 51010), (20404, 45085), (25505, 36068)]