238191980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{3709}}^1$

素因数の和:3763

約数の個数: 72

約数和(自身を含む): 570301200

約数和(自身を除く): 332109220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1235, 1690, 2470, 3211, 3380, 3709, 4940, 6422, 7418, 12844, 14836, 16055, 18545, 32110, 37090, 48217, 64220, 70471, 74180, 96434, 140942, 192868, 241085, 281884, 352355, 482170, 626821, 704710, 916123, 964340, 1253642, 1409420, 1832246, 2507284, 3134105, 3664492, 4580615, 6268210, 9161230, 11909599, 12536420, 18322460, 23819198, 47638396, 59547995, 119095990, 238191980]

約数ペア:

[(1, 238191980), (2, 119095990), (4, 59547995), (5, 47638396), (10, 23819198), (13, 18322460), (19, 12536420), (20, 11909599), (26, 9161230), (38, 6268210), (52, 4580615), (65, 3664492), (76, 3134105), (95, 2507284), (130, 1832246), (169, 1409420), (190, 1253642), (247, 964340), (260, 916123), (338, 704710), (380, 626821), (494, 482170), (676, 352355), (845, 281884), (988, 241085), (1235, 192868), (1690, 140942), (2470, 96434), (3211, 74180), (3380, 70471), (3709, 64220), (4940, 48217), (6422, 37090), (7418, 32110), (12844, 18545), (14836, 16055)]