987331520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{440773}}^1$

素因数の和:440797

約数の個数: 56

約数和(自身を含む): 2686958304

約数和(自身を除く): 1699626784

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 440773, 881546, 1763092, 2203865, 3085411, 3526184, 4407730, 6170822, 7052368, 8815460, 12341644, 14104736, 15427055, 17630920, 24683288, 28209472, 30854110, 35261840, 49366576, 61708220, 70523680, 98733152, 123416440, 141047360, 197466304, 246832880, 493665760, 987331520]

約数ペア:

[(1, 987331520), (2, 493665760), (4, 246832880), (5, 197466304), (7, 141047360), (8, 123416440), (10, 98733152), (14, 70523680), (16, 61708220), (20, 49366576), (28, 35261840), (32, 30854110), (35, 28209472), (40, 24683288), (56, 17630920), (64, 15427055), (70, 14104736), (80, 12341644), (112, 8815460), (140, 7052368), (160, 6170822), (224, 4407730), (280, 3526184), (320, 3085411), (448, 2203865), (560, 1763092), (1120, 881546), (2240, 440773)]