251804630

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 144

約数和(自身を含む): 602598528

約数和(自身を除く): 350793898

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 49, 55, 62, 70, 77, 98, 110, 121, 137, 154, 155, 217, 242, 245, 274, 310, 341, 385, 434, 490, 539, 605, 682, 685, 770, 847, 959, 1078, 1085, 1210, 1370, 1507, 1519, 1694, 1705, 1918, 2170, 2387, 2695, 3014, 3038, 3410, 3751, 4235, 4247, 4774, 4795, 5390, 5929, 6713, 7502, 7535, 7595, 8470, 8494, 9590, 10549, 11858, 11935, 13426, 15070, 15190, 16577, 16709, 18755, 21098, 21235, 23870, 26257, 29645, 29729, 33154, 33418, 33565, 37510, 42470, 46717, 52514, 52745, 59290, 59458, 67130, 73843, 82885, 83545, 93434, 105490, 116039, 131285, 147686, 148645, 165770, 167090, 183799, 208103, 232078, 233585, 262570, 297290, 327019, 367598, 369215, 416206, 467170, 513887, 580195, 654038, 738430, 812273, 918995, 1027774, 1040515, 1160390, 1624546, 1635095, 1837990, 2081030, 2289133, 2569435, 3270190, 3597209, 4061365, 4578266, 5138870, 7194418, 8122730, 11445665, 17986045, 22891330, 25180463, 35972090, 50360926, 125902315, 251804630]

約数ペア:

[(1, 251804630), (2, 125902315), (5, 50360926), (7, 35972090), (10, 25180463), (11, 22891330), (14, 17986045), (22, 11445665), (31, 8122730), (35, 7194418), (49, 5138870), (55, 4578266), (62, 4061365), (70, 3597209), (77, 3270190), (98, 2569435), (110, 2289133), (121, 2081030), (137, 1837990), (154, 1635095), (155, 1624546), (217, 1160390), (242, 1040515), (245, 1027774), (274, 918995), (310, 812273), (341, 738430), (385, 654038), (434, 580195), (490, 513887), (539, 467170), (605, 416206), (682, 369215), (685, 367598), (770, 327019), (847, 297290), (959, 262570), (1078, 233585), (1085, 232078), (1210, 208103), (1370, 183799), (1507, 167090), (1519, 165770), (1694, 148645), (1705, 147686), (1918, 131285), (2170, 116039), (2387, 105490), (2695, 93434), (3014, 83545), (3038, 82885), (3410, 73843), (3751, 67130), (4235, 59458), (4247, 59290), (4774, 52745), (4795, 52514), (5390, 46717), (5929, 42470), (6713, 37510), (7502, 33565), (7535, 33418), (7595, 33154), (8470, 29729), (8494, 29645), (9590, 26257), (10549, 23870), (11858, 21235), (11935, 21098), (13426, 18755), (15070, 16709), (15190, 16577)]