1431250000

素因数分解:

$2^4\times 5^8\times {\mathrm{229}}^1$

素因数の和:277

約数の個数: 90

約数和(自身を含む): 3481443530

約数和(自身を除く): 2050193530

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 229, 250, 400, 458, 500, 625, 916, 1000, 1145, 1250, 1832, 2000, 2290, 2500, 3125, 3664, 4580, 5000, 5725, 6250, 9160, 10000, 11450, 12500, 15625, 18320, 22900, 25000, 28625, 31250, 45800, 50000, 57250, 62500, 78125, 91600, 114500, 125000, 143125, 156250, 229000, 250000, 286250, 312500, 390625, 458000, 572500, 625000, 715625, 781250, 1145000, 1250000, 1431250, 1562500, 2290000, 2862500, 3125000, 3578125, 5725000, 6250000, 7156250, 11450000, 14312500, 17890625, 28625000, 35781250, 57250000, 71562500, 89453125, 143125000, 178906250, 286250000, 357812500, 715625000, 1431250000]

約数ペア:

[(1, 1431250000), (2, 715625000), (4, 357812500), (5, 286250000), (8, 178906250), (10, 143125000), (16, 89453125), (20, 71562500), (25, 57250000), (40, 35781250), (50, 28625000), (80, 17890625), (100, 14312500), (125, 11450000), (200, 7156250), (229, 6250000), (250, 5725000), (400, 3578125), (458, 3125000), (500, 2862500), (625, 2290000), (916, 1562500), (1000, 1431250), (1145, 1250000), (1250, 1145000), (1832, 781250), (2000, 715625), (2290, 625000), (2500, 572500), (3125, 458000), (3664, 390625), (4580, 312500), (5000, 286250), (5725, 250000), (6250, 229000), (9160, 156250), (10000, 143125), (11450, 125000), (12500, 114500), (15625, 91600), (18320, 78125), (22900, 62500), (25000, 57250), (28625, 50000), (31250, 45800)]