51471700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1$

素因数の和:206

約数の個数: 108

約数和(自身を含む): 134401120

約数和(自身を除く): 82929420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 139, 140, 161, 175, 230, 278, 322, 350, 460, 529, 556, 575, 644, 695, 700, 805, 973, 1058, 1150, 1390, 1610, 1946, 2116, 2300, 2645, 2780, 3197, 3220, 3475, 3703, 3892, 4025, 4865, 5290, 6394, 6950, 7406, 8050, 9730, 10580, 12788, 13225, 13900, 14812, 15985, 16100, 18515, 19460, 22379, 24325, 26450, 31970, 37030, 44758, 48650, 52900, 63940, 73531, 74060, 79925, 89516, 92575, 97300, 111895, 147062, 159850, 185150, 223790, 294124, 319700, 367655, 370300, 447580, 514717, 559475, 735310, 1029434, 1118950, 1470620, 1838275, 2058868, 2237900, 2573585, 3676550, 5147170, 7353100, 10294340, 12867925, 25735850, 51471700]

約数ペア:

[(1, 51471700), (2, 25735850), (4, 12867925), (5, 10294340), (7, 7353100), (10, 5147170), (14, 3676550), (20, 2573585), (23, 2237900), (25, 2058868), (28, 1838275), (35, 1470620), (46, 1118950), (50, 1029434), (70, 735310), (92, 559475), (100, 514717), (115, 447580), (139, 370300), (140, 367655), (161, 319700), (175, 294124), (230, 223790), (278, 185150), (322, 159850), (350, 147062), (460, 111895), (529, 97300), (556, 92575), (575, 89516), (644, 79925), (695, 74060), (700, 73531), (805, 63940), (973, 52900), (1058, 48650), (1150, 44758), (1390, 37030), (1610, 31970), (1946, 26450), (2116, 24325), (2300, 22379), (2645, 19460), (2780, 18515), (3197, 16100), (3220, 15985), (3475, 14812), (3703, 13900), (3892, 13225), (4025, 12788), (4865, 10580), (5290, 9730), (6394, 8050), (6950, 7406)]