138253690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1861}}^1$

素因数の和:1927

約数の個数: 64

約数和(自身を含む): 289578240

約数和(自身を除く): 151324550

約数列:

[1, 2, 5, 10, 17, 19, 23, 34, 38, 46, 85, 95, 115, 170, 190, 230, 323, 391, 437, 646, 782, 874, 1615, 1861, 1955, 2185, 3230, 3722, 3910, 4370, 7429, 9305, 14858, 18610, 31637, 35359, 37145, 42803, 63274, 70718, 74290, 85606, 158185, 176795, 214015, 316370, 353590, 428030, 601103, 727651, 813257, 1202206, 1455302, 1626514, 3005515, 3638255, 4066285, 6011030, 7276510, 8132570, 13825369, 27650738, 69126845, 138253690]

約数ペア:

[(1, 138253690), (2, 69126845), (5, 27650738), (10, 13825369), (17, 8132570), (19, 7276510), (23, 6011030), (34, 4066285), (38, 3638255), (46, 3005515), (85, 1626514), (95, 1455302), (115, 1202206), (170, 813257), (190, 727651), (230, 601103), (323, 428030), (391, 353590), (437, 316370), (646, 214015), (782, 176795), (874, 158185), (1615, 85606), (1861, 74290), (1955, 70718), (2185, 63274), (3230, 42803), (3722, 37145), (3910, 35359), (4370, 31637), (7429, 18610), (9305, 14858)]