83520940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 178899840

約数和(自身を除く): 95378900

約数列:

[1, 2, 4, 5, 10, 20, 101, 173, 202, 239, 346, 404, 478, 505, 692, 865, 956, 1010, 1195, 1730, 2020, 2390, 3460, 4780, 17473, 24139, 34946, 41347, 48278, 69892, 82694, 87365, 96556, 120695, 165388, 174730, 206735, 241390, 349460, 413470, 482780, 826940, 4176047, 8352094, 16704188, 20880235, 41760470, 83520940]

約数ペア:

[(1, 83520940), (2, 41760470), (4, 20880235), (5, 16704188), (10, 8352094), (20, 4176047), (101, 826940), (173, 482780), (202, 413470), (239, 349460), (346, 241390), (404, 206735), (478, 174730), (505, 165388), (692, 120695), (865, 96556), (956, 87365), (1010, 82694), (1195, 69892), (1730, 48278), (2020, 41347), (2390, 34946), (3460, 24139), (4780, 17473)]