890357480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1171523}}^1$

素因数の和:1171553

約数の個数: 32

約数和(自身を含む): 2108743200

約数和(自身を除く): 1218385720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1171523, 2343046, 4686092, 5857615, 9372184, 11715230, 22258937, 23430460, 44517874, 46860920, 89035748, 111294685, 178071496, 222589370, 445178740, 890357480]

約数ペア:

[(1, 890357480), (2, 445178740), (4, 222589370), (5, 178071496), (8, 111294685), (10, 89035748), (19, 46860920), (20, 44517874), (38, 23430460), (40, 22258937), (76, 11715230), (95, 9372184), (152, 5857615), (190, 4686092), (380, 2343046), (760, 1171523)]