205566900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{809}}^1$

素因数の和:855

約数の個数: 216

約数和(自身を含む): 748077120

約数和(自身を除く): 542510220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 25, 28, 30, 33, 35, 42, 44, 50, 55, 60, 66, 70, 75, 77, 84, 100, 105, 110, 121, 132, 140, 150, 154, 165, 175, 210, 220, 231, 242, 275, 300, 308, 330, 350, 363, 385, 420, 462, 484, 525, 550, 605, 660, 700, 726, 770, 809, 825, 847, 924, 1050, 1100, 1155, 1210, 1452, 1540, 1618, 1650, 1694, 1815, 1925, 2100, 2310, 2420, 2427, 2541, 3025, 3236, 3300, 3388, 3630, 3850, 4045, 4235, 4620, 4854, 5082, 5663, 5775, 6050, 7260, 7700, 8090, 8470, 8899, 9075, 9708, 10164, 11326, 11550, 12100, 12135, 12705, 16180, 16940, 16989, 17798, 18150, 20225, 21175, 22652, 23100, 24270, 25410, 26697, 28315, 33978, 35596, 36300, 40450, 42350, 44495, 48540, 50820, 53394, 56630, 60675, 62293, 63525, 67956, 80900, 84700, 84945, 88990, 97889, 106788, 113260, 121350, 124586, 127050, 133485, 141575, 169890, 177980, 186879, 195778, 222475, 242700, 249172, 254100, 266970, 283150, 293667, 311465, 339780, 373758, 391556, 424725, 444950, 489445, 533940, 566300, 587334, 622930, 667425, 685223, 747516, 849450, 889900, 934395, 978890, 1174668, 1245860, 1334850, 1370446, 1468335, 1557325, 1698900, 1868790, 1957780, 2055669, 2447225, 2669700, 2740892, 2936670, 3114650, 3426115, 3737580, 4111338, 4671975, 4894450, 5873340, 6229300, 6852230, 7341675, 8222676, 9343950, 9788900, 10278345, 13704460, 14683350, 17130575, 18687900, 20556690, 29366700, 34261150, 41113380, 51391725, 68522300, 102783450, 205566900]

約数ペア:

[(1, 205566900), (2, 102783450), (3, 68522300), (4, 51391725), (5, 41113380), (6, 34261150), (7, 29366700), (10, 20556690), (11, 18687900), (12, 17130575), (14, 14683350), (15, 13704460), (20, 10278345), (21, 9788900), (22, 9343950), (25, 8222676), (28, 7341675), (30, 6852230), (33, 6229300), (35, 5873340), (42, 4894450), (44, 4671975), (50, 4111338), (55, 3737580), (60, 3426115), (66, 3114650), (70, 2936670), (75, 2740892), (77, 2669700), (84, 2447225), (100, 2055669), (105, 1957780), (110, 1868790), (121, 1698900), (132, 1557325), (140, 1468335), (150, 1370446), (154, 1334850), (165, 1245860), (175, 1174668), (210, 978890), (220, 934395), (231, 889900), (242, 849450), (275, 747516), (300, 685223), (308, 667425), (330, 622930), (350, 587334), (363, 566300), (385, 533940), (420, 489445), (462, 444950), (484, 424725), (525, 391556), (550, 373758), (605, 339780), (660, 311465), (700, 293667), (726, 283150), (770, 266970), (809, 254100), (825, 249172), (847, 242700), (924, 222475), (1050, 195778), (1100, 186879), (1155, 177980), (1210, 169890), (1452, 141575), (1540, 133485), (1618, 127050), (1650, 124586), (1694, 121350), (1815, 113260), (1925, 106788), (2100, 97889), (2310, 88990), (2420, 84945), (2427, 84700), (2541, 80900), (3025, 67956), (3236, 63525), (3300, 62293), (3388, 60675), (3630, 56630), (3850, 53394), (4045, 50820), (4235, 48540), (4620, 44495), (4854, 42350), (5082, 40450), (5663, 36300), (5775, 35596), (6050, 33978), (7260, 28315), (7700, 26697), (8090, 25410), (8470, 24270), (8899, 23100), (9075, 22652), (9708, 21175), (10164, 20225), (11326, 18150), (11550, 17798), (12100, 16989), (12135, 16940), (12705, 16180)]