42900290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{9817}}^1$

素因数の和:9866

約数の個数: 32

約数和(自身を含む): 84827520

約数和(自身を除く): 41927230

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 9817, 19634, 49085, 98170, 186523, 225791, 373046, 451582, 932615, 1128955, 1865230, 2257910, 4290029, 8580058, 21450145, 42900290]

約数ペア:

[(1, 42900290), (2, 21450145), (5, 8580058), (10, 4290029), (19, 2257910), (23, 1865230), (38, 1128955), (46, 932615), (95, 451582), (115, 373046), (190, 225791), (230, 186523), (437, 98170), (874, 49085), (2185, 19634), (4370, 9817)]