87380335

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:280

約数の個数: 64

約数和(自身を含む): 136857600

約数和(自身を除く): 49477265

約数列:

[1, 5, 7, 19, 23, 29, 35, 95, 115, 133, 145, 161, 197, 203, 437, 551, 665, 667, 805, 985, 1015, 1379, 2185, 2755, 3059, 3335, 3743, 3857, 4531, 4669, 5713, 6895, 12673, 15295, 18715, 19285, 22655, 23345, 26201, 28565, 31717, 39991, 63365, 86089, 88711, 108547, 131005, 131399, 158585, 199955, 430445, 443555, 542735, 602623, 656995, 759829, 919793, 2496581, 3013115, 3799145, 4598965, 12482905, 17476067, 87380335]

約数ペア:

[(1, 87380335), (5, 17476067), (7, 12482905), (19, 4598965), (23, 3799145), (29, 3013115), (35, 2496581), (95, 919793), (115, 759829), (133, 656995), (145, 602623), (161, 542735), (197, 443555), (203, 430445), (437, 199955), (551, 158585), (665, 131399), (667, 131005), (805, 108547), (985, 88711), (1015, 86089), (1379, 63365), (2185, 39991), (2755, 31717), (3059, 28565), (3335, 26201), (3743, 23345), (3857, 22655), (4531, 19285), (4669, 18715), (5713, 15295), (6895, 12673)]