199748330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1155

約数の個数: 64

約数和(自身を含む): 404490240

約数和(自身を除く): 204741910

約数列:

[1, 2, 5, 10, 19, 23, 38, 43, 46, 86, 95, 115, 190, 215, 230, 430, 437, 817, 874, 989, 1063, 1634, 1978, 2126, 2185, 4085, 4370, 4945, 5315, 8170, 9890, 10630, 18791, 20197, 24449, 37582, 40394, 45709, 48898, 91418, 93955, 100985, 122245, 187910, 201970, 228545, 244490, 457090, 464531, 868471, 929062, 1051307, 1736942, 2102614, 2322655, 4342355, 4645310, 5256535, 8684710, 10513070, 19974833, 39949666, 99874165, 199748330]

約数ペア:

[(1, 199748330), (2, 99874165), (5, 39949666), (10, 19974833), (19, 10513070), (23, 8684710), (38, 5256535), (43, 4645310), (46, 4342355), (86, 2322655), (95, 2102614), (115, 1736942), (190, 1051307), (215, 929062), (230, 868471), (430, 464531), (437, 457090), (817, 244490), (874, 228545), (989, 201970), (1063, 187910), (1634, 122245), (1978, 100985), (2126, 93955), (2185, 91418), (4085, 48898), (4370, 45709), (4945, 40394), (5315, 37582), (8170, 24449), (9890, 20197), (10630, 18791)]