131285420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15373}}^1$

素因数の和:15450

約数の個数: 48

約数和(自身を含む): 320271168

約数和(自身を除く): 188985748

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 8540, 15373, 30746, 61492, 76865, 107611, 153730, 215222, 307460, 430444, 538055, 937753, 1076110, 1875506, 2152220, 3751012, 4688765, 6564271, 9377530, 13128542, 18755060, 26257084, 32821355, 65642710, 131285420]

約数ペア:

[(1, 131285420), (2, 65642710), (4, 32821355), (5, 26257084), (7, 18755060), (10, 13128542), (14, 9377530), (20, 6564271), (28, 4688765), (35, 3751012), (61, 2152220), (70, 1875506), (122, 1076110), (140, 937753), (244, 538055), (305, 430444), (427, 307460), (610, 215222), (854, 153730), (1220, 107611), (1708, 76865), (2135, 61492), (4270, 30746), (8540, 15373)]