256436700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1399}}^1$

素因数の和:1476

約数の個数: 144

約数和(自身を含む): 816614400

約数和(自身を除く): 560177700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 47, 50, 52, 60, 65, 75, 78, 94, 100, 130, 141, 150, 156, 188, 195, 235, 260, 282, 300, 325, 390, 470, 564, 611, 650, 705, 780, 940, 975, 1175, 1222, 1300, 1399, 1410, 1833, 1950, 2350, 2444, 2798, 2820, 3055, 3525, 3666, 3900, 4197, 4700, 5596, 6110, 6995, 7050, 7332, 8394, 9165, 12220, 13990, 14100, 15275, 16788, 18187, 18330, 20985, 27980, 30550, 34975, 36374, 36660, 41970, 45825, 54561, 61100, 65753, 69950, 72748, 83940, 90935, 91650, 104925, 109122, 131506, 139900, 181870, 183300, 197259, 209850, 218244, 263012, 272805, 328765, 363740, 394518, 419700, 454675, 545610, 657530, 789036, 854789, 909350, 986295, 1091220, 1315060, 1364025, 1643825, 1709578, 1818700, 1972590, 2564367, 2728050, 3287650, 3419156, 3945180, 4273945, 4931475, 5128734, 5456100, 6575300, 8547890, 9862950, 10257468, 12821835, 17095780, 19725900, 21369725, 25643670, 42739450, 51287340, 64109175, 85478900, 128218350, 256436700]

約数ペア:

[(1, 256436700), (2, 128218350), (3, 85478900), (4, 64109175), (5, 51287340), (6, 42739450), (10, 25643670), (12, 21369725), (13, 19725900), (15, 17095780), (20, 12821835), (25, 10257468), (26, 9862950), (30, 8547890), (39, 6575300), (47, 5456100), (50, 5128734), (52, 4931475), (60, 4273945), (65, 3945180), (75, 3419156), (78, 3287650), (94, 2728050), (100, 2564367), (130, 1972590), (141, 1818700), (150, 1709578), (156, 1643825), (188, 1364025), (195, 1315060), (235, 1091220), (260, 986295), (282, 909350), (300, 854789), (325, 789036), (390, 657530), (470, 545610), (564, 454675), (611, 419700), (650, 394518), (705, 363740), (780, 328765), (940, 272805), (975, 263012), (1175, 218244), (1222, 209850), (1300, 197259), (1399, 183300), (1410, 181870), (1833, 139900), (1950, 131506), (2350, 109122), (2444, 104925), (2798, 91650), (2820, 90935), (3055, 83940), (3525, 72748), (3666, 69950), (3900, 65753), (4197, 61100), (4700, 54561), (5596, 45825), (6110, 41970), (6995, 36660), (7050, 36374), (7332, 34975), (8394, 30550), (9165, 27980), (12220, 20985), (13990, 18330), (14100, 18187), (15275, 16788)]