249818940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{599}}^1$

素因数の和:952

約数の個数: 144

約数和(自身を含む): 870105600

約数和(自身を除く): 620286660

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 331, 420, 599, 630, 662, 993, 1198, 1260, 1324, 1655, 1797, 1986, 2317, 2396, 2979, 2995, 3310, 3594, 3972, 4193, 4634, 4965, 5391, 5958, 5990, 6620, 6951, 7188, 8386, 8985, 9268, 9930, 10782, 11585, 11916, 11980, 12579, 13902, 14895, 16772, 17970, 19860, 20853, 20965, 21564, 23170, 25158, 26955, 27804, 29790, 34755, 35940, 37737, 41706, 41930, 46340, 50316, 53910, 59580, 62895, 69510, 75474, 83412, 83860, 104265, 107820, 125790, 139020, 150948, 188685, 198269, 208530, 251580, 377370, 396538, 417060, 594807, 754740, 793076, 991345, 1189614, 1387883, 1784421, 1982690, 2379228, 2775766, 2974035, 3568842, 3965380, 4163649, 5551532, 5948070, 6939415, 7137684, 8327298, 8922105, 11896140, 12490947, 13878830, 16654596, 17844210, 20818245, 24981894, 27757660, 35688420, 41636490, 49963788, 62454735, 83272980, 124909470, 249818940]

約数ペア:

[(1, 249818940), (2, 124909470), (3, 83272980), (4, 62454735), (5, 49963788), (6, 41636490), (7, 35688420), (9, 27757660), (10, 24981894), (12, 20818245), (14, 17844210), (15, 16654596), (18, 13878830), (20, 12490947), (21, 11896140), (28, 8922105), (30, 8327298), (35, 7137684), (36, 6939415), (42, 5948070), (45, 5551532), (60, 4163649), (63, 3965380), (70, 3568842), (84, 2974035), (90, 2775766), (105, 2379228), (126, 1982690), (140, 1784421), (180, 1387883), (210, 1189614), (252, 991345), (315, 793076), (331, 754740), (420, 594807), (599, 417060), (630, 396538), (662, 377370), (993, 251580), (1198, 208530), (1260, 198269), (1324, 188685), (1655, 150948), (1797, 139020), (1986, 125790), (2317, 107820), (2396, 104265), (2979, 83860), (2995, 83412), (3310, 75474), (3594, 69510), (3972, 62895), (4193, 59580), (4634, 53910), (4965, 50316), (5391, 46340), (5958, 41930), (5990, 41706), (6620, 37737), (6951, 35940), (7188, 34755), (8386, 29790), (8985, 27804), (9268, 26955), (9930, 25158), (10782, 23170), (11585, 21564), (11916, 20965), (11980, 20853), (12579, 19860), (13902, 17970), (14895, 16772)]