201437390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1$

素因数の和:2153

約数の個数: 64

約数和(自身を含む): 455735808

約数和(自身を除く): 254298418

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 131, 154, 262, 385, 655, 770, 917, 1310, 1441, 1834, 1997, 2882, 3994, 4585, 7205, 9170, 9985, 10087, 13979, 14410, 19970, 20174, 21967, 27958, 43934, 50435, 69895, 100870, 109835, 139790, 153769, 219670, 261607, 307538, 523214, 768845, 1308035, 1537690, 1831249, 2616070, 2877677, 3662498, 5755354, 9156245, 14388385, 18312490, 20143739, 28776770, 40287478, 100718695, 201437390]

約数ペア:

[(1, 201437390), (2, 100718695), (5, 40287478), (7, 28776770), (10, 20143739), (11, 18312490), (14, 14388385), (22, 9156245), (35, 5755354), (55, 3662498), (70, 2877677), (77, 2616070), (110, 1831249), (131, 1537690), (154, 1308035), (262, 768845), (385, 523214), (655, 307538), (770, 261607), (917, 219670), (1310, 153769), (1441, 139790), (1834, 109835), (1997, 100870), (2882, 69895), (3994, 50435), (4585, 43934), (7205, 27958), (9170, 21967), (9985, 20174), (10087, 19970), (13979, 14410)]