8877940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 19998720

約数和(自身を除く): 11120780

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 383, 610, 766, 1159, 1220, 1532, 1915, 2318, 3830, 4636, 5795, 7277, 7660, 11590, 14554, 23180, 23363, 29108, 36385, 46726, 72770, 93452, 116815, 145540, 233630, 443897, 467260, 887794, 1775588, 2219485, 4438970, 8877940]

約数ペア:

[(1, 8877940), (2, 4438970), (4, 2219485), (5, 1775588), (10, 887794), (19, 467260), (20, 443897), (38, 233630), (61, 145540), (76, 116815), (95, 93452), (122, 72770), (190, 46726), (244, 36385), (305, 29108), (380, 23363), (383, 23180), (610, 14554), (766, 11590), (1159, 7660), (1220, 7277), (1532, 5795), (1915, 4636), (2318, 3830)]