248840550

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{401}}^1$

素因数の和:623

約数の個数: 144

約数和(自身を含む): 769852512

約数和(自身を除く): 521011962

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 197, 210, 225, 315, 350, 394, 401, 450, 525, 591, 630, 802, 985, 1050, 1182, 1203, 1379, 1575, 1773, 1970, 2005, 2406, 2758, 2807, 2955, 3150, 3546, 3609, 4010, 4137, 4925, 5614, 5910, 6015, 6895, 7218, 8274, 8421, 8865, 9850, 10025, 12030, 12411, 13790, 14035, 14775, 16842, 17730, 18045, 20050, 20685, 24822, 25263, 28070, 29550, 30075, 34475, 36090, 41370, 42105, 44325, 50526, 60150, 62055, 68950, 70175, 78997, 84210, 88650, 90225, 103425, 124110, 126315, 140350, 157994, 180450, 206850, 210525, 236991, 252630, 310275, 394985, 421050, 473982, 552979, 620550, 631575, 710973, 789970, 1105958, 1184955, 1263150, 1421946, 1658937, 1974925, 2369910, 2764895, 3317874, 3554865, 3949850, 4976811, 5529790, 5924775, 7109730, 8294685, 9953622, 11849550, 13824475, 16589370, 17774325, 24884055, 27648950, 35548650, 41473425, 49768110, 82946850, 124420275, 248840550]

約数ペア:

[(1, 248840550), (2, 124420275), (3, 82946850), (5, 49768110), (6, 41473425), (7, 35548650), (9, 27648950), (10, 24884055), (14, 17774325), (15, 16589370), (18, 13824475), (21, 11849550), (25, 9953622), (30, 8294685), (35, 7109730), (42, 5924775), (45, 5529790), (50, 4976811), (63, 3949850), (70, 3554865), (75, 3317874), (90, 2764895), (105, 2369910), (126, 1974925), (150, 1658937), (175, 1421946), (197, 1263150), (210, 1184955), (225, 1105958), (315, 789970), (350, 710973), (394, 631575), (401, 620550), (450, 552979), (525, 473982), (591, 421050), (630, 394985), (802, 310275), (985, 252630), (1050, 236991), (1182, 210525), (1203, 206850), (1379, 180450), (1575, 157994), (1773, 140350), (1970, 126315), (2005, 124110), (2406, 103425), (2758, 90225), (2807, 88650), (2955, 84210), (3150, 78997), (3546, 70175), (3609, 68950), (4010, 62055), (4137, 60150), (4925, 50526), (5614, 44325), (5910, 42105), (6015, 41370), (6895, 36090), (7218, 34475), (8274, 30075), (8421, 29550), (8865, 28070), (9850, 25263), (10025, 24822), (12030, 20685), (12411, 20050), (13790, 18045), (14035, 17730), (14775, 16842)]