2164217890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:811

約数の個数: 64

約数和(自身を含む): 4134240000

約数和(自身を除く): 1970022110

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 173, 218, 230, 346, 499, 545, 865, 998, 1090, 1730, 2495, 2507, 3979, 4990, 5014, 7958, 11477, 12535, 18857, 19895, 22954, 25070, 37714, 39790, 54391, 57385, 86327, 94285, 108782, 114770, 172654, 188570, 271955, 431635, 433711, 543910, 863270, 867422, 1250993, 1985521, 2168555, 2501986, 3971042, 4337110, 6254965, 9409643, 9927605, 12509930, 18819286, 19855210, 47048215, 94096430, 216421789, 432843578, 1082108945, 2164217890]

約数ペア:

[(1, 2164217890), (2, 1082108945), (5, 432843578), (10, 216421789), (23, 94096430), (46, 47048215), (109, 19855210), (115, 18819286), (173, 12509930), (218, 9927605), (230, 9409643), (346, 6254965), (499, 4337110), (545, 3971042), (865, 2501986), (998, 2168555), (1090, 1985521), (1730, 1250993), (2495, 867422), (2507, 863270), (3979, 543910), (4990, 433711), (5014, 431635), (7958, 271955), (11477, 188570), (12535, 172654), (18857, 114770), (19895, 108782), (22954, 94285), (25070, 86327), (37714, 57385), (39790, 54391)]