1787269900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{9227}}^1$

素因数の和:9403

約数の個数: 72

約数和(自身を含む): 4205199600

約数和(自身を除く): 2417929700

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 149, 260, 298, 325, 596, 650, 745, 1300, 1490, 1937, 2980, 3725, 3874, 7450, 7748, 9227, 9685, 14900, 18454, 19370, 36908, 38740, 46135, 48425, 92270, 96850, 119951, 184540, 193700, 230675, 239902, 461350, 479804, 599755, 922700, 1199510, 1374823, 2399020, 2749646, 2998775, 5499292, 5997550, 6874115, 11995100, 13748230, 17872699, 27496460, 34370575, 35745398, 68741150, 71490796, 89363495, 137482300, 178726990, 357453980, 446817475, 893634950, 1787269900]

約数ペア:

[(1, 1787269900), (2, 893634950), (4, 446817475), (5, 357453980), (10, 178726990), (13, 137482300), (20, 89363495), (25, 71490796), (26, 68741150), (50, 35745398), (52, 34370575), (65, 27496460), (100, 17872699), (130, 13748230), (149, 11995100), (260, 6874115), (298, 5997550), (325, 5499292), (596, 2998775), (650, 2749646), (745, 2399020), (1300, 1374823), (1490, 1199510), (1937, 922700), (2980, 599755), (3725, 479804), (3874, 461350), (7450, 239902), (7748, 230675), (9227, 193700), (9685, 184540), (14900, 119951), (18454, 96850), (19370, 92270), (36908, 48425), (38740, 46135)]