308531500

素因数分解:

$2^2\times 5^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:776

約数の個数: 96

約数和(自身を含む): 725437440

約数和(自身を除く): 416905940

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 125, 188, 190, 235, 250, 380, 470, 475, 500, 691, 893, 940, 950, 1175, 1382, 1786, 1900, 2350, 2375, 2764, 3455, 3572, 4465, 4700, 4750, 5875, 6910, 8930, 9500, 11750, 13129, 13820, 17275, 17860, 22325, 23500, 26258, 32477, 34550, 44650, 52516, 64954, 65645, 69100, 86375, 89300, 111625, 129908, 131290, 162385, 172750, 223250, 262580, 324770, 328225, 345500, 446500, 617063, 649540, 656450, 811925, 1234126, 1312900, 1623850, 1641125, 2468252, 3085315, 3247700, 3282250, 4059625, 6170630, 6564500, 8119250, 12341260, 15426575, 16238500, 30853150, 61706300, 77132875, 154265750, 308531500]

約数ペア:

[(1, 308531500), (2, 154265750), (4, 77132875), (5, 61706300), (10, 30853150), (19, 16238500), (20, 15426575), (25, 12341260), (38, 8119250), (47, 6564500), (50, 6170630), (76, 4059625), (94, 3282250), (95, 3247700), (100, 3085315), (125, 2468252), (188, 1641125), (190, 1623850), (235, 1312900), (250, 1234126), (380, 811925), (470, 656450), (475, 649540), (500, 617063), (691, 446500), (893, 345500), (940, 328225), (950, 324770), (1175, 262580), (1382, 223250), (1786, 172750), (1900, 162385), (2350, 131290), (2375, 129908), (2764, 111625), (3455, 89300), (3572, 86375), (4465, 69100), (4700, 65645), (4750, 64954), (5875, 52516), (6910, 44650), (8930, 34550), (9500, 32477), (11750, 26258), (13129, 23500), (13820, 22325), (17275, 17860)]