201880910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{1097}}^1$

素因数の和:1361

約数の個数: 64

約数和(自身を含む): 455362560

約数和(自身を除く): 253481650

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 239, 385, 478, 770, 1097, 1195, 1673, 2194, 2390, 2629, 3346, 5258, 5485, 7679, 8365, 10970, 12067, 13145, 15358, 16730, 18403, 24134, 26290, 36806, 38395, 60335, 76790, 84469, 92015, 120670, 168938, 184030, 262183, 422345, 524366, 844690, 1310915, 1835281, 2621830, 2884013, 3670562, 5768026, 9176405, 14420065, 18352810, 20188091, 28840130, 40376182, 100940455, 201880910]

約数ペア:

[(1, 201880910), (2, 100940455), (5, 40376182), (7, 28840130), (10, 20188091), (11, 18352810), (14, 14420065), (22, 9176405), (35, 5768026), (55, 3670562), (70, 2884013), (77, 2621830), (110, 1835281), (154, 1310915), (239, 844690), (385, 524366), (478, 422345), (770, 262183), (1097, 184030), (1195, 168938), (1673, 120670), (2194, 92015), (2390, 84469), (2629, 76790), (3346, 60335), (5258, 38395), (5485, 36806), (7679, 26290), (8365, 24134), (10970, 18403), (12067, 16730), (13145, 15358)]