249936260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{433}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 664957440

約数和(自身を除く): 415021180

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 133, 140, 155, 190, 196, 217, 245, 266, 310, 380, 433, 434, 490, 532, 589, 620, 665, 866, 868, 931, 980, 1085, 1178, 1330, 1519, 1732, 1862, 2165, 2170, 2356, 2660, 2945, 3031, 3038, 3724, 4123, 4330, 4340, 4655, 5890, 6062, 6076, 7595, 8227, 8246, 8660, 9310, 11780, 12124, 13423, 15155, 15190, 16454, 16492, 18620, 20615, 21217, 26846, 28861, 30310, 30380, 32908, 41135, 41230, 42434, 53692, 57589, 57722, 60620, 67115, 82270, 82460, 84868, 93961, 106085, 115178, 115444, 134230, 144305, 164540, 187922, 212170, 230356, 255037, 268460, 287945, 288610, 375844, 403123, 424340, 469805, 510074, 575890, 577220, 657727, 806246, 939610, 1020148, 1151780, 1275185, 1315454, 1612492, 1785259, 1879220, 2015615, 2550370, 2630908, 3288635, 3570518, 4031230, 5100740, 6577270, 7141036, 8062460, 8926295, 12496813, 13154540, 17852590, 24993626, 35705180, 49987252, 62484065, 124968130, 249936260]

約数ペア:

[(1, 249936260), (2, 124968130), (4, 62484065), (5, 49987252), (7, 35705180), (10, 24993626), (14, 17852590), (19, 13154540), (20, 12496813), (28, 8926295), (31, 8062460), (35, 7141036), (38, 6577270), (49, 5100740), (62, 4031230), (70, 3570518), (76, 3288635), (95, 2630908), (98, 2550370), (124, 2015615), (133, 1879220), (140, 1785259), (155, 1612492), (190, 1315454), (196, 1275185), (217, 1151780), (245, 1020148), (266, 939610), (310, 806246), (380, 657727), (433, 577220), (434, 575890), (490, 510074), (532, 469805), (589, 424340), (620, 403123), (665, 375844), (866, 288610), (868, 287945), (931, 268460), (980, 255037), (1085, 230356), (1178, 212170), (1330, 187922), (1519, 164540), (1732, 144305), (1862, 134230), (2165, 115444), (2170, 115178), (2356, 106085), (2660, 93961), (2945, 84868), (3031, 82460), (3038, 82270), (3724, 67115), (4123, 60620), (4330, 57722), (4340, 57589), (4655, 53692), (5890, 42434), (6062, 41230), (6076, 41135), (7595, 32908), (8227, 30380), (8246, 30310), (8660, 28861), (9310, 26846), (11780, 21217), (12124, 20615), (13423, 18620), (15155, 16492), (15190, 16454)]