858751460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1306

約数の個数: 144

約数和(自身を含む): 2261468160

約数和(自身を除く): 1402716700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 49, 62, 70, 92, 98, 115, 124, 140, 155, 161, 196, 217, 230, 245, 310, 322, 434, 460, 490, 620, 644, 713, 805, 868, 980, 1085, 1127, 1229, 1426, 1519, 1610, 2170, 2254, 2458, 2852, 3038, 3220, 3565, 4340, 4508, 4916, 4991, 5635, 6076, 6145, 7130, 7595, 8603, 9982, 11270, 12290, 14260, 15190, 17206, 19964, 22540, 24580, 24955, 28267, 30380, 34412, 34937, 38099, 43015, 49910, 56534, 60221, 69874, 76198, 86030, 99820, 113068, 120442, 139748, 141335, 152396, 172060, 174685, 190495, 197869, 240884, 266693, 282670, 301105, 349370, 380990, 395738, 533386, 565340, 602210, 698740, 761980, 791476, 876277, 989345, 1066772, 1204420, 1333465, 1385083, 1752554, 1866851, 1978690, 2666930, 2770166, 3505108, 3733702, 3957380, 4381385, 5333860, 5540332, 6133939, 6925415, 7467404, 8762770, 9334255, 12267878, 13850830, 17525540, 18668510, 24535756, 27701660, 30669695, 37337020, 42937573, 61339390, 85875146, 122678780, 171750292, 214687865, 429375730, 858751460]

約数ペア:

[(1, 858751460), (2, 429375730), (4, 214687865), (5, 171750292), (7, 122678780), (10, 85875146), (14, 61339390), (20, 42937573), (23, 37337020), (28, 30669695), (31, 27701660), (35, 24535756), (46, 18668510), (49, 17525540), (62, 13850830), (70, 12267878), (92, 9334255), (98, 8762770), (115, 7467404), (124, 6925415), (140, 6133939), (155, 5540332), (161, 5333860), (196, 4381385), (217, 3957380), (230, 3733702), (245, 3505108), (310, 2770166), (322, 2666930), (434, 1978690), (460, 1866851), (490, 1752554), (620, 1385083), (644, 1333465), (713, 1204420), (805, 1066772), (868, 989345), (980, 876277), (1085, 791476), (1127, 761980), (1229, 698740), (1426, 602210), (1519, 565340), (1610, 533386), (2170, 395738), (2254, 380990), (2458, 349370), (2852, 301105), (3038, 282670), (3220, 266693), (3565, 240884), (4340, 197869), (4508, 190495), (4916, 174685), (4991, 172060), (5635, 152396), (6076, 141335), (6145, 139748), (7130, 120442), (7595, 113068), (8603, 99820), (9982, 86030), (11270, 76198), (12290, 69874), (14260, 60221), (15190, 56534), (17206, 49910), (19964, 43015), (22540, 38099), (24580, 34937), (24955, 34412), (28267, 30380)]