9089000

素因数分解:

$2^3\times 5^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 21762000

約数和(自身を除く): 12673000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 125, 149, 200, 244, 250, 298, 305, 488, 500, 596, 610, 745, 1000, 1192, 1220, 1490, 1525, 2440, 2980, 3050, 3725, 5960, 6100, 7450, 7625, 9089, 12200, 14900, 15250, 18178, 18625, 29800, 30500, 36356, 37250, 45445, 61000, 72712, 74500, 90890, 149000, 181780, 227225, 363560, 454450, 908900, 1136125, 1817800, 2272250, 4544500, 9089000]

約数ペア:

[(1, 9089000), (2, 4544500), (4, 2272250), (5, 1817800), (8, 1136125), (10, 908900), (20, 454450), (25, 363560), (40, 227225), (50, 181780), (61, 149000), (100, 90890), (122, 74500), (125, 72712), (149, 61000), (200, 45445), (244, 37250), (250, 36356), (298, 30500), (305, 29800), (488, 18625), (500, 18178), (596, 15250), (610, 14900), (745, 12200), (1000, 9089), (1192, 7625), (1220, 7450), (1490, 6100), (1525, 5960), (2440, 3725), (2980, 3050)]