138110975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 192844800

約数和(自身を除く): 54733825

約数列:

[1, 5, 17, 23, 25, 71, 85, 115, 199, 355, 391, 425, 575, 995, 1207, 1633, 1775, 1955, 3383, 4577, 4975, 6035, 8165, 9775, 14129, 16915, 22885, 27761, 30175, 40825, 70645, 77809, 84575, 114425, 138805, 240193, 324967, 353225, 389045, 694025, 1200965, 1624835, 1945225, 5524439, 6004825, 8124175, 27622195, 138110975]

約数ペア:

[(1, 138110975), (5, 27622195), (17, 8124175), (23, 6004825), (25, 5524439), (71, 1945225), (85, 1624835), (115, 1200965), (199, 694025), (355, 389045), (391, 353225), (425, 324967), (575, 240193), (995, 138805), (1207, 114425), (1633, 84575), (1775, 77809), (1955, 70645), (3383, 40825), (4577, 30175), (4975, 27761), (6035, 22885), (8165, 16915), (9775, 14129)]