161710330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 316483200

約数和(自身を除く): 154772870

約数列:

[1, 2, 5, 10, 19, 38, 73, 89, 95, 131, 146, 178, 190, 262, 365, 445, 655, 730, 890, 1310, 1387, 1691, 2489, 2774, 3382, 4978, 6497, 6935, 8455, 9563, 11659, 12445, 12994, 13870, 16910, 19126, 23318, 24890, 32485, 47815, 58295, 64970, 95630, 116590, 123443, 181697, 221521, 246886, 363394, 443042, 617215, 851107, 908485, 1107605, 1234430, 1702214, 1816970, 2215210, 4255535, 8511070, 16171033, 32342066, 80855165, 161710330]

約数ペア:

[(1, 161710330), (2, 80855165), (5, 32342066), (10, 16171033), (19, 8511070), (38, 4255535), (73, 2215210), (89, 1816970), (95, 1702214), (131, 1234430), (146, 1107605), (178, 908485), (190, 851107), (262, 617215), (365, 443042), (445, 363394), (655, 246886), (730, 221521), (890, 181697), (1310, 123443), (1387, 116590), (1691, 95630), (2489, 64970), (2774, 58295), (3382, 47815), (4978, 32485), (6497, 24890), (6935, 23318), (8455, 19126), (9563, 16910), (11659, 13870), (12445, 12994)]