291209660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{3947}}^1$

素因数の和:4011

約数の個数: 96

約数和(自身を含む): 764080128

約数和(自身を除く): 472870468

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 31, 34, 35, 62, 68, 70, 85, 119, 124, 140, 155, 170, 217, 238, 310, 340, 434, 476, 527, 595, 620, 868, 1054, 1085, 1190, 2108, 2170, 2380, 2635, 3689, 3947, 4340, 5270, 7378, 7894, 10540, 14756, 15788, 18445, 19735, 27629, 36890, 39470, 55258, 67099, 73780, 78940, 110516, 122357, 134198, 138145, 244714, 268396, 276290, 335495, 469693, 489428, 552580, 611785, 670990, 856499, 939386, 1223570, 1341980, 1712998, 1878772, 2080069, 2348465, 2447140, 3425996, 4160138, 4282495, 4696930, 8320276, 8564990, 9393860, 10400345, 14560483, 17129980, 20800690, 29120966, 41601380, 58241932, 72802415, 145604830, 291209660]

約数ペア:

[(1, 291209660), (2, 145604830), (4, 72802415), (5, 58241932), (7, 41601380), (10, 29120966), (14, 20800690), (17, 17129980), (20, 14560483), (28, 10400345), (31, 9393860), (34, 8564990), (35, 8320276), (62, 4696930), (68, 4282495), (70, 4160138), (85, 3425996), (119, 2447140), (124, 2348465), (140, 2080069), (155, 1878772), (170, 1712998), (217, 1341980), (238, 1223570), (310, 939386), (340, 856499), (434, 670990), (476, 611785), (527, 552580), (595, 489428), (620, 469693), (868, 335495), (1054, 276290), (1085, 268396), (1190, 244714), (2108, 138145), (2170, 134198), (2380, 122357), (2635, 110516), (3689, 78940), (3947, 73780), (4340, 67099), (5270, 55258), (7378, 39470), (7894, 36890), (10540, 27629), (14756, 19735), (15788, 18445)]