209561240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3449}}^1$

素因数の和:3505

約数の個数: 96

約数和(自身を含む): 566352000

約数和(自身を除く): 356790760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 620, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 3038, 3449, 4340, 6076, 6898, 7595, 8680, 12152, 13796, 15190, 17245, 24143, 27592, 30380, 34490, 48286, 60760, 68980, 96572, 106919, 120715, 137960, 169001, 193144, 213838, 241430, 338002, 427676, 482860, 534595, 676004, 748433, 845005, 855352, 965720, 1069190, 1352008, 1496866, 1690010, 2138380, 2993732, 3380020, 3742165, 4276760, 5239031, 5987464, 6760040, 7484330, 10478062, 14968660, 20956124, 26195155, 29937320, 41912248, 52390310, 104780620, 209561240]

約数ペア:

[(1, 209561240), (2, 104780620), (4, 52390310), (5, 41912248), (7, 29937320), (8, 26195155), (10, 20956124), (14, 14968660), (20, 10478062), (28, 7484330), (31, 6760040), (35, 5987464), (40, 5239031), (49, 4276760), (56, 3742165), (62, 3380020), (70, 2993732), (98, 2138380), (124, 1690010), (140, 1496866), (155, 1352008), (196, 1069190), (217, 965720), (245, 855352), (248, 845005), (280, 748433), (310, 676004), (392, 534595), (434, 482860), (490, 427676), (620, 338002), (868, 241430), (980, 213838), (1085, 193144), (1240, 169001), (1519, 137960), (1736, 120715), (1960, 106919), (2170, 96572), (3038, 68980), (3449, 60760), (4340, 48286), (6076, 34490), (6898, 30380), (7595, 27592), (8680, 24143), (12152, 17245), (13796, 15190)]