219935545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 318504960

約数和(自身を除く): 98569415

約数列:

[1, 5, 17, 19, 23, 31, 85, 95, 115, 155, 191, 323, 391, 437, 527, 589, 713, 955, 1615, 1955, 2185, 2635, 2945, 3247, 3565, 3629, 4393, 5921, 7429, 10013, 12121, 13547, 16235, 18145, 21965, 29605, 37145, 50065, 60605, 61693, 67735, 74681, 83467, 100657, 112499, 136183, 230299, 308465, 373405, 417335, 503285, 562495, 680915, 1151495, 1418939, 1912483, 2315111, 2587477, 7094695, 9562415, 11575555, 12937385, 43987109, 219935545]

約数ペア:

[(1, 219935545), (5, 43987109), (17, 12937385), (19, 11575555), (23, 9562415), (31, 7094695), (85, 2587477), (95, 2315111), (115, 1912483), (155, 1418939), (191, 1151495), (323, 680915), (391, 562495), (437, 503285), (527, 417335), (589, 373405), (713, 308465), (955, 230299), (1615, 136183), (1955, 112499), (2185, 100657), (2635, 83467), (2945, 74681), (3247, 67735), (3565, 61693), (3629, 60605), (4393, 50065), (5921, 37145), (7429, 29605), (10013, 21965), (12121, 18145), (13547, 16235)]