39654860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1901}}^1$

素因数の和:2066

約数の個数: 48

約数和(自身を含む): 95860800

約数和(自身を除く): 56205940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 1043, 1490, 1901, 2086, 2980, 3802, 4172, 5215, 7604, 9505, 10430, 13307, 19010, 20860, 26614, 38020, 53228, 66535, 133070, 266140, 283249, 566498, 1132996, 1416245, 1982743, 2832490, 3965486, 5664980, 7930972, 9913715, 19827430, 39654860]

約数ペア:

[(1, 39654860), (2, 19827430), (4, 9913715), (5, 7930972), (7, 5664980), (10, 3965486), (14, 2832490), (20, 1982743), (28, 1416245), (35, 1132996), (70, 566498), (140, 283249), (149, 266140), (298, 133070), (596, 66535), (745, 53228), (1043, 38020), (1490, 26614), (1901, 20860), (2086, 19010), (2980, 13307), (3802, 10430), (4172, 9505), (5215, 7604)]