200790100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:558

約数の個数: 144

約数和(自身を含む): 542187520

約数和(自身を除く): 341397420

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 31, 35, 38, 50, 62, 70, 76, 95, 100, 124, 133, 140, 155, 175, 190, 217, 266, 310, 350, 380, 434, 475, 487, 532, 589, 620, 665, 700, 775, 868, 950, 974, 1085, 1178, 1330, 1550, 1900, 1948, 2170, 2356, 2435, 2660, 2945, 3100, 3325, 3409, 4123, 4340, 4870, 5425, 5890, 6650, 6818, 8246, 9253, 9740, 10850, 11780, 12175, 13300, 13636, 14725, 15097, 16492, 17045, 18506, 20615, 21700, 24350, 29450, 30194, 34090, 37012, 41230, 46265, 48700, 58900, 60388, 64771, 68180, 75485, 82460, 85225, 92530, 103075, 105679, 129542, 150970, 170450, 185060, 206150, 211358, 231325, 259084, 286843, 301940, 323855, 340900, 377425, 412300, 422716, 462650, 528395, 573686, 647710, 754850, 925300, 1056790, 1147372, 1295420, 1434215, 1509700, 1619275, 2007901, 2113580, 2641975, 2868430, 3238550, 4015802, 5283950, 5736860, 6477100, 7171075, 8031604, 10039505, 10567900, 14342150, 20079010, 28684300, 40158020, 50197525, 100395050, 200790100]

約数ペア:

[(1, 200790100), (2, 100395050), (4, 50197525), (5, 40158020), (7, 28684300), (10, 20079010), (14, 14342150), (19, 10567900), (20, 10039505), (25, 8031604), (28, 7171075), (31, 6477100), (35, 5736860), (38, 5283950), (50, 4015802), (62, 3238550), (70, 2868430), (76, 2641975), (95, 2113580), (100, 2007901), (124, 1619275), (133, 1509700), (140, 1434215), (155, 1295420), (175, 1147372), (190, 1056790), (217, 925300), (266, 754850), (310, 647710), (350, 573686), (380, 528395), (434, 462650), (475, 422716), (487, 412300), (532, 377425), (589, 340900), (620, 323855), (665, 301940), (700, 286843), (775, 259084), (868, 231325), (950, 211358), (974, 206150), (1085, 185060), (1178, 170450), (1330, 150970), (1550, 129542), (1900, 105679), (1948, 103075), (2170, 92530), (2356, 85225), (2435, 82460), (2660, 75485), (2945, 68180), (3100, 64771), (3325, 60388), (3409, 58900), (4123, 48700), (4340, 46265), (4870, 41230), (5425, 37012), (5890, 34090), (6650, 30194), (6818, 29450), (8246, 24350), (9253, 21700), (9740, 20615), (10850, 18506), (11780, 17045), (12175, 16492), (13300, 15097), (13636, 14725)]