251203260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{4943}}^1$

素因数の和:4984

約数の個数: 144

約数和(自身を含む): 883749888

約数和(自身を除く): 632546628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 77, 84, 105, 110, 121, 132, 140, 154, 165, 210, 220, 231, 242, 308, 330, 363, 385, 420, 462, 484, 605, 660, 726, 770, 847, 924, 1155, 1210, 1452, 1540, 1694, 1815, 2310, 2420, 2541, 3388, 3630, 4235, 4620, 4943, 5082, 7260, 8470, 9886, 10164, 12705, 14829, 16940, 19772, 24715, 25410, 29658, 34601, 49430, 50820, 54373, 59316, 69202, 74145, 98860, 103803, 108746, 138404, 148290, 163119, 173005, 207606, 217492, 271865, 296580, 326238, 346010, 380611, 415212, 519015, 543730, 598103, 652476, 692020, 761222, 815595, 1038030, 1087460, 1141833, 1196206, 1522444, 1631190, 1794309, 1903055, 2076060, 2283666, 2392412, 2990515, 3262380, 3588618, 3806110, 4186721, 4567332, 5709165, 5981030, 7177236, 7612220, 8373442, 8971545, 11418330, 11962060, 12560163, 16746884, 17943090, 20933605, 22836660, 25120326, 35886180, 41867210, 50240652, 62800815, 83734420, 125601630, 251203260]

約数ペア:

[(1, 251203260), (2, 125601630), (3, 83734420), (4, 62800815), (5, 50240652), (6, 41867210), (7, 35886180), (10, 25120326), (11, 22836660), (12, 20933605), (14, 17943090), (15, 16746884), (20, 12560163), (21, 11962060), (22, 11418330), (28, 8971545), (30, 8373442), (33, 7612220), (35, 7177236), (42, 5981030), (44, 5709165), (55, 4567332), (60, 4186721), (66, 3806110), (70, 3588618), (77, 3262380), (84, 2990515), (105, 2392412), (110, 2283666), (121, 2076060), (132, 1903055), (140, 1794309), (154, 1631190), (165, 1522444), (210, 1196206), (220, 1141833), (231, 1087460), (242, 1038030), (308, 815595), (330, 761222), (363, 692020), (385, 652476), (420, 598103), (462, 543730), (484, 519015), (605, 415212), (660, 380611), (726, 346010), (770, 326238), (847, 296580), (924, 271865), (1155, 217492), (1210, 207606), (1452, 173005), (1540, 163119), (1694, 148290), (1815, 138404), (2310, 108746), (2420, 103803), (2541, 98860), (3388, 74145), (3630, 69202), (4235, 59316), (4620, 54373), (4943, 50820), (5082, 49430), (7260, 34601), (8470, 29658), (9886, 25410), (10164, 24715), (12705, 19772), (14829, 16940)]