907781200

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:749

約数の個数: 120

約数和(自身を含む): 2276416800

約数和(自身を除く): 1368635600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 139, 145, 200, 232, 278, 290, 400, 464, 556, 563, 580, 695, 725, 1112, 1126, 1160, 1390, 1450, 2224, 2252, 2320, 2780, 2815, 2900, 3475, 4031, 4504, 5560, 5630, 5800, 6950, 8062, 9008, 11120, 11260, 11600, 13900, 14075, 16124, 16327, 20155, 22520, 27800, 28150, 32248, 32654, 40310, 45040, 55600, 56300, 64496, 65308, 78257, 80620, 81635, 100775, 112600, 130616, 156514, 161240, 163270, 201550, 225200, 261232, 313028, 322480, 326540, 391285, 403100, 408175, 626056, 653080, 782570, 806200, 816350, 1252112, 1306160, 1565140, 1612400, 1632700, 1956425, 2269453, 3130280, 3265400, 3912850, 4538906, 6260560, 6530800, 7825700, 9077812, 11347265, 15651400, 18155624, 22694530, 31302800, 36311248, 45389060, 56736325, 90778120, 113472650, 181556240, 226945300, 453890600, 907781200]

約数ペア:

[(1, 907781200), (2, 453890600), (4, 226945300), (5, 181556240), (8, 113472650), (10, 90778120), (16, 56736325), (20, 45389060), (25, 36311248), (29, 31302800), (40, 22694530), (50, 18155624), (58, 15651400), (80, 11347265), (100, 9077812), (116, 7825700), (139, 6530800), (145, 6260560), (200, 4538906), (232, 3912850), (278, 3265400), (290, 3130280), (400, 2269453), (464, 1956425), (556, 1632700), (563, 1612400), (580, 1565140), (695, 1306160), (725, 1252112), (1112, 816350), (1126, 806200), (1160, 782570), (1390, 653080), (1450, 626056), (2224, 408175), (2252, 403100), (2320, 391285), (2780, 326540), (2815, 322480), (2900, 313028), (3475, 261232), (4031, 225200), (4504, 201550), (5560, 163270), (5630, 161240), (5800, 156514), (6950, 130616), (8062, 112600), (9008, 100775), (11120, 81635), (11260, 80620), (11600, 78257), (13900, 65308), (14075, 64496), (16124, 56300), (16327, 55600), (20155, 45040), (22520, 40310), (27800, 32654), (28150, 32248)]