421039850

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1$

素因数の和:973

約数の個数: 144

約数和(自身を含む): 1053414720

約数和(自身を除く): 632374870

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 25, 34, 35, 49, 50, 55, 70, 77, 85, 98, 110, 119, 154, 170, 175, 187, 238, 245, 275, 350, 374, 385, 425, 490, 539, 550, 595, 770, 833, 850, 919, 935, 1078, 1190, 1225, 1309, 1666, 1838, 1870, 1925, 2450, 2618, 2695, 2975, 3850, 4165, 4595, 4675, 5390, 5950, 6433, 6545, 8330, 9163, 9190, 9350, 10109, 12866, 13090, 13475, 15623, 18326, 20218, 20825, 22975, 26950, 31246, 32165, 32725, 41650, 45031, 45815, 45950, 50545, 64330, 65450, 70763, 78115, 90062, 91630, 101090, 109361, 141526, 156230, 160825, 171853, 218722, 225155, 229075, 252725, 321650, 343706, 353815, 390575, 450310, 458150, 495341, 505450, 546805, 707630, 765527, 781150, 859265, 990682, 1093610, 1125775, 1202971, 1531054, 1718530, 1769075, 2251550, 2405942, 2476705, 2734025, 3538150, 3827635, 4296325, 4953410, 5468050, 6014855, 7655270, 8420797, 8592650, 12029710, 12383525, 16841594, 19138175, 24767050, 30074275, 38276350, 42103985, 60148550, 84207970, 210519925, 421039850]

約数ペア:

[(1, 421039850), (2, 210519925), (5, 84207970), (7, 60148550), (10, 42103985), (11, 38276350), (14, 30074275), (17, 24767050), (22, 19138175), (25, 16841594), (34, 12383525), (35, 12029710), (49, 8592650), (50, 8420797), (55, 7655270), (70, 6014855), (77, 5468050), (85, 4953410), (98, 4296325), (110, 3827635), (119, 3538150), (154, 2734025), (170, 2476705), (175, 2405942), (187, 2251550), (238, 1769075), (245, 1718530), (275, 1531054), (350, 1202971), (374, 1125775), (385, 1093610), (425, 990682), (490, 859265), (539, 781150), (550, 765527), (595, 707630), (770, 546805), (833, 505450), (850, 495341), (919, 458150), (935, 450310), (1078, 390575), (1190, 353815), (1225, 343706), (1309, 321650), (1666, 252725), (1838, 229075), (1870, 225155), (1925, 218722), (2450, 171853), (2618, 160825), (2695, 156230), (2975, 141526), (3850, 109361), (4165, 101090), (4595, 91630), (4675, 90062), (5390, 78115), (5950, 70763), (6433, 65450), (6545, 64330), (8330, 50545), (9163, 45950), (9190, 45815), (9350, 45031), (10109, 41650), (12866, 32725), (13090, 32165), (13475, 31246), (15623, 26950), (18326, 22975), (20218, 20825)]