907888940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{3947}}^1$

素因数の和:4047

約数の個数: 96

約数和(自身を含む): 2292240384

約数和(自身を除く): 1384351444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 53, 62, 70, 106, 124, 140, 155, 212, 217, 265, 310, 371, 434, 530, 620, 742, 868, 1060, 1085, 1484, 1643, 1855, 2170, 3286, 3710, 3947, 4340, 6572, 7420, 7894, 8215, 11501, 15788, 16430, 19735, 23002, 27629, 32860, 39470, 46004, 55258, 57505, 78940, 110516, 115010, 122357, 138145, 209191, 230020, 244714, 276290, 418382, 489428, 552580, 611785, 836764, 856499, 1045955, 1223570, 1464337, 1712998, 2091910, 2447140, 2928674, 3425996, 4183820, 4282495, 5857348, 6484921, 7321685, 8564990, 12969842, 14643370, 17129980, 25939684, 29286740, 32424605, 45394447, 64849210, 90788894, 129698420, 181577788, 226972235, 453944470, 907888940]

約数ペア:

[(1, 907888940), (2, 453944470), (4, 226972235), (5, 181577788), (7, 129698420), (10, 90788894), (14, 64849210), (20, 45394447), (28, 32424605), (31, 29286740), (35, 25939684), (53, 17129980), (62, 14643370), (70, 12969842), (106, 8564990), (124, 7321685), (140, 6484921), (155, 5857348), (212, 4282495), (217, 4183820), (265, 3425996), (310, 2928674), (371, 2447140), (434, 2091910), (530, 1712998), (620, 1464337), (742, 1223570), (868, 1045955), (1060, 856499), (1085, 836764), (1484, 611785), (1643, 552580), (1855, 489428), (2170, 418382), (3286, 276290), (3710, 244714), (3947, 230020), (4340, 209191), (6572, 138145), (7420, 122357), (7894, 115010), (8215, 110516), (11501, 78940), (15788, 57505), (16430, 55258), (19735, 46004), (23002, 39470), (27629, 32860)]