30040972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{1999}}^1$

素因数の和:2050

約数の個数: 36

約数和(自身を含む): 60172000

約数和(自身を除く): 30131028

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 289, 442, 578, 884, 1156, 1999, 3757, 3998, 7514, 7996, 15028, 25987, 33983, 51974, 67966, 103948, 135932, 441779, 577711, 883558, 1155422, 1767116, 2310844, 7510243, 15020486, 30040972]

約数ペア:

[(1, 30040972), (2, 15020486), (4, 7510243), (13, 2310844), (17, 1767116), (26, 1155422), (34, 883558), (52, 577711), (68, 441779), (221, 135932), (289, 103948), (442, 67966), (578, 51974), (884, 33983), (1156, 25987), (1999, 15028), (3757, 7996), (3998, 7514)]