311411375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 454671360

約数和(自身を除く): 143259985

約数列:

[1, 5, 11, 23, 25, 43, 55, 115, 125, 215, 229, 253, 275, 473, 575, 989, 1075, 1145, 1265, 1375, 2365, 2519, 2875, 4945, 5267, 5375, 5725, 6325, 9847, 10879, 11825, 12595, 24725, 26335, 28625, 31625, 49235, 54395, 57937, 59125, 62975, 108317, 123625, 131675, 226481, 246175, 271975, 289685, 314875, 541585, 658375, 1132405, 1230875, 1359875, 1448425, 2491291, 2707925, 5662025, 7242125, 12456455, 13539625, 28310125, 62282275, 311411375]

約数ペア:

[(1, 311411375), (5, 62282275), (11, 28310125), (23, 13539625), (25, 12456455), (43, 7242125), (55, 5662025), (115, 2707925), (125, 2491291), (215, 1448425), (229, 1359875), (253, 1230875), (275, 1132405), (473, 658375), (575, 541585), (989, 314875), (1075, 289685), (1145, 271975), (1265, 246175), (1375, 226481), (2365, 131675), (2519, 123625), (2875, 108317), (4945, 62975), (5267, 59125), (5375, 57937), (5725, 54395), (6325, 49235), (9847, 31625), (10879, 28625), (11825, 26335), (12595, 24725)]