47649980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20021}}^1$

素因数の和:20054

約数の個数: 48

約数和(自身を含む): 121093056

約数和(自身を除く): 73443076

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 20021, 40042, 80084, 100105, 140147, 200210, 280294, 340357, 400420, 560588, 680714, 700735, 1361428, 1401470, 1701785, 2382499, 2802940, 3403570, 4764998, 6807140, 9529996, 11912495, 23824990, 47649980]

約数ペア:

[(1, 47649980), (2, 23824990), (4, 11912495), (5, 9529996), (7, 6807140), (10, 4764998), (14, 3403570), (17, 2802940), (20, 2382499), (28, 1701785), (34, 1401470), (35, 1361428), (68, 700735), (70, 680714), (85, 560588), (119, 400420), (140, 340357), (170, 280294), (238, 200210), (340, 140147), (476, 100105), (595, 80084), (1190, 40042), (2380, 20021)]