28684300

素因数分解:

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

素因数の和:551

約数の個数: 72

約数和(自身を含む): 67773440

約数和(自身を除く): 39089140

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 31, 38, 50, 62, 76, 95, 100, 124, 155, 190, 310, 380, 475, 487, 589, 620, 775, 950, 974, 1178, 1550, 1900, 1948, 2356, 2435, 2945, 3100, 4870, 5890, 9253, 9740, 11780, 12175, 14725, 15097, 18506, 24350, 29450, 30194, 37012, 46265, 48700, 58900, 60388, 75485, 92530, 150970, 185060, 231325, 286843, 301940, 377425, 462650, 573686, 754850, 925300, 1147372, 1434215, 1509700, 2868430, 5736860, 7171075, 14342150, 28684300]

約数ペア:

[(1, 28684300), (2, 14342150), (4, 7171075), (5, 5736860), (10, 2868430), (19, 1509700), (20, 1434215), (25, 1147372), (31, 925300), (38, 754850), (50, 573686), (62, 462650), (76, 377425), (95, 301940), (100, 286843), (124, 231325), (155, 185060), (190, 150970), (310, 92530), (380, 75485), (475, 60388), (487, 58900), (589, 48700), (620, 46265), (775, 37012), (950, 30194), (974, 29450), (1178, 24350), (1550, 18506), (1900, 15097), (1948, 14725), (2356, 12175), (2435, 11780), (2945, 9740), (3100, 9253), (4870, 5890)]