138380900

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:970

約数の個数: 108

約数和(自身を含む): 360976896

約数和(自身を除く): 222595996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 31, 35, 49, 50, 62, 70, 98, 100, 124, 140, 155, 175, 196, 217, 245, 310, 350, 434, 490, 620, 700, 775, 868, 911, 980, 1085, 1225, 1519, 1550, 1822, 2170, 2450, 3038, 3100, 3644, 4340, 4555, 4900, 5425, 6076, 6377, 7595, 9110, 10850, 12754, 15190, 18220, 21700, 22775, 25508, 28241, 30380, 31885, 37975, 44639, 45550, 56482, 63770, 75950, 89278, 91100, 112964, 127540, 141205, 151900, 159425, 178556, 197687, 223195, 282410, 318850, 395374, 446390, 564820, 637700, 706025, 790748, 892780, 988435, 1115975, 1383809, 1412050, 1976870, 2231950, 2767618, 2824100, 3953740, 4463900, 4942175, 5535236, 6919045, 9884350, 13838090, 19768700, 27676180, 34595225, 69190450, 138380900]

約数ペア:

[(1, 138380900), (2, 69190450), (4, 34595225), (5, 27676180), (7, 19768700), (10, 13838090), (14, 9884350), (20, 6919045), (25, 5535236), (28, 4942175), (31, 4463900), (35, 3953740), (49, 2824100), (50, 2767618), (62, 2231950), (70, 1976870), (98, 1412050), (100, 1383809), (124, 1115975), (140, 988435), (155, 892780), (175, 790748), (196, 706025), (217, 637700), (245, 564820), (310, 446390), (350, 395374), (434, 318850), (490, 282410), (620, 223195), (700, 197687), (775, 178556), (868, 159425), (911, 151900), (980, 141205), (1085, 127540), (1225, 112964), (1519, 91100), (1550, 89278), (1822, 75950), (2170, 63770), (2450, 56482), (3038, 45550), (3100, 44639), (3644, 37975), (4340, 31885), (4555, 30380), (4900, 28241), (5425, 25508), (6076, 22775), (6377, 21700), (7595, 18220), (9110, 15190), (10850, 12754)]