151978420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{62801}}^1$

素因数の和:62832

約数の個数: 36

約数和(自身を含む): 350811972

約数和(自身を除く): 198833552

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 62801, 125602, 251204, 314005, 628010, 690811, 1256020, 1381622, 2763244, 3454055, 6908110, 7598921, 13816220, 15197842, 30395684, 37994605, 75989210, 151978420]

約数ペア:

[(1, 151978420), (2, 75989210), (4, 37994605), (5, 30395684), (10, 15197842), (11, 13816220), (20, 7598921), (22, 6908110), (44, 3454055), (55, 2763244), (110, 1381622), (121, 1256020), (220, 690811), (242, 628010), (484, 314005), (605, 251204), (1210, 125602), (2420, 62801)]