513061780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1046

約数の個数: 144

約数和(自身を含む): 1398555648

約数和(自身を除く): 885493868

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 110, 121, 124, 140, 154, 155, 217, 220, 242, 308, 310, 341, 385, 434, 484, 605, 620, 682, 770, 847, 868, 977, 1085, 1210, 1364, 1540, 1694, 1705, 1954, 2170, 2387, 2420, 3388, 3410, 3751, 3908, 4235, 4340, 4774, 4885, 6820, 6839, 7502, 8470, 9548, 9770, 10747, 11935, 13678, 15004, 16940, 18755, 19540, 21494, 23870, 26257, 27356, 30287, 34195, 37510, 42988, 47740, 52514, 53735, 60574, 68390, 75020, 75229, 105028, 107470, 118217, 121148, 131285, 136780, 150458, 151435, 212009, 214940, 236434, 262570, 300916, 302870, 333157, 376145, 424018, 472868, 525140, 591085, 605740, 666314, 752290, 827519, 848036, 1060045, 1182170, 1332628, 1504580, 1655038, 1665785, 2120090, 2332099, 2364340, 3310076, 3331570, 3664727, 4137595, 4240180, 4664198, 6663140, 7329454, 8275190, 9328396, 11660495, 14658908, 16550380, 18323635, 23320990, 25653089, 36647270, 46641980, 51306178, 73294540, 102612356, 128265445, 256530890, 513061780]

約数ペア:

[(1, 513061780), (2, 256530890), (4, 128265445), (5, 102612356), (7, 73294540), (10, 51306178), (11, 46641980), (14, 36647270), (20, 25653089), (22, 23320990), (28, 18323635), (31, 16550380), (35, 14658908), (44, 11660495), (55, 9328396), (62, 8275190), (70, 7329454), (77, 6663140), (110, 4664198), (121, 4240180), (124, 4137595), (140, 3664727), (154, 3331570), (155, 3310076), (217, 2364340), (220, 2332099), (242, 2120090), (308, 1665785), (310, 1655038), (341, 1504580), (385, 1332628), (434, 1182170), (484, 1060045), (605, 848036), (620, 827519), (682, 752290), (770, 666314), (847, 605740), (868, 591085), (977, 525140), (1085, 472868), (1210, 424018), (1364, 376145), (1540, 333157), (1694, 302870), (1705, 300916), (1954, 262570), (2170, 236434), (2387, 214940), (2420, 212009), (3388, 151435), (3410, 150458), (3751, 136780), (3908, 131285), (4235, 121148), (4340, 118217), (4774, 107470), (4885, 105028), (6820, 75229), (6839, 75020), (7502, 68390), (8470, 60574), (9548, 53735), (9770, 52514), (10747, 47740), (11935, 42988), (13678, 37510), (15004, 34195), (16940, 30287), (18755, 27356), (19540, 26257), (21494, 23870)]