42482020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{647}}^1$

素因数の和:737

約数の個数: 72

約数和(自身を含む): 105489216

約数和(自身を除く): 63007196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 67, 70, 98, 134, 140, 196, 245, 268, 335, 469, 490, 647, 670, 938, 980, 1294, 1340, 1876, 2345, 2588, 3235, 3283, 4529, 4690, 6470, 6566, 9058, 9380, 12940, 13132, 16415, 18116, 22645, 31703, 32830, 43349, 45290, 63406, 65660, 86698, 90580, 126812, 158515, 173396, 216745, 303443, 317030, 433490, 606886, 634060, 866980, 1213772, 1517215, 2124101, 3034430, 4248202, 6068860, 8496404, 10620505, 21241010, 42482020]

約数ペア:

[(1, 42482020), (2, 21241010), (4, 10620505), (5, 8496404), (7, 6068860), (10, 4248202), (14, 3034430), (20, 2124101), (28, 1517215), (35, 1213772), (49, 866980), (67, 634060), (70, 606886), (98, 433490), (134, 317030), (140, 303443), (196, 216745), (245, 173396), (268, 158515), (335, 126812), (469, 90580), (490, 86698), (647, 65660), (670, 63406), (938, 45290), (980, 43349), (1294, 32830), (1340, 31703), (1876, 22645), (2345, 18116), (2588, 16415), (3235, 13132), (3283, 12940), (4529, 9380), (4690, 9058), (6470, 6566)]