318072400

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:389

約数の個数: 120

約数和(自身を含む): 799305984

約数和(自身を除く): 481233584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 113, 124, 155, 200, 226, 227, 248, 310, 400, 452, 454, 496, 565, 620, 775, 904, 908, 1130, 1135, 1240, 1550, 1808, 1816, 2260, 2270, 2480, 2825, 3100, 3503, 3632, 4520, 4540, 5650, 5675, 6200, 7006, 7037, 9040, 9080, 11300, 11350, 12400, 14012, 14074, 17515, 18160, 22600, 22700, 25651, 28024, 28148, 35030, 35185, 45200, 45400, 51302, 56048, 56296, 70060, 70370, 87575, 90800, 102604, 112592, 128255, 140120, 140740, 175150, 175925, 205208, 256510, 280240, 281480, 350300, 351850, 410416, 513020, 562960, 641275, 700600, 703700, 795181, 1026040, 1282550, 1401200, 1407400, 1590362, 2052080, 2565100, 2814800, 3180724, 3975905, 5130200, 6361448, 7951810, 10260400, 12722896, 15903620, 19879525, 31807240, 39759050, 63614480, 79518100, 159036200, 318072400]

約数ペア:

[(1, 318072400), (2, 159036200), (4, 79518100), (5, 63614480), (8, 39759050), (10, 31807240), (16, 19879525), (20, 15903620), (25, 12722896), (31, 10260400), (40, 7951810), (50, 6361448), (62, 5130200), (80, 3975905), (100, 3180724), (113, 2814800), (124, 2565100), (155, 2052080), (200, 1590362), (226, 1407400), (227, 1401200), (248, 1282550), (310, 1026040), (400, 795181), (452, 703700), (454, 700600), (496, 641275), (565, 562960), (620, 513020), (775, 410416), (904, 351850), (908, 350300), (1130, 281480), (1135, 280240), (1240, 256510), (1550, 205208), (1808, 175925), (1816, 175150), (2260, 140740), (2270, 140120), (2480, 128255), (2825, 112592), (3100, 102604), (3503, 90800), (3632, 87575), (4520, 70370), (4540, 70060), (5650, 56296), (5675, 56048), (6200, 51302), (7006, 45400), (7037, 45200), (9040, 35185), (9080, 35030), (11300, 28148), (11350, 28024), (12400, 25651), (14012, 22700), (14074, 22600), (17515, 18160)]