1900769936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{953}}^1$

素因数の和:1240

約数の個数: 80

約数和(自身を含む): 4080738816

約数和(自身を除く): 2179968880

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 223, 344, 446, 559, 688, 892, 953, 1118, 1784, 1906, 2236, 2899, 3568, 3812, 4472, 5798, 7624, 8944, 9589, 11596, 12389, 15248, 19178, 23192, 24778, 38356, 40979, 46384, 49556, 76712, 81958, 99112, 124657, 153424, 163916, 198224, 212519, 249314, 327832, 425038, 498628, 532727, 655664, 850076, 997256, 1065454, 1700152, 1994512, 2130908, 2762747, 3400304, 4261816, 5525494, 8523632, 9138317, 11050988, 18276634, 22101976, 36553268, 44203952, 73106536, 118798121, 146213072, 237596242, 475192484, 950384968, 1900769936]

約数ペア:

[(1, 1900769936), (2, 950384968), (4, 475192484), (8, 237596242), (13, 146213072), (16, 118798121), (26, 73106536), (43, 44203952), (52, 36553268), (86, 22101976), (104, 18276634), (172, 11050988), (208, 9138317), (223, 8523632), (344, 5525494), (446, 4261816), (559, 3400304), (688, 2762747), (892, 2130908), (953, 1994512), (1118, 1700152), (1784, 1065454), (1906, 997256), (2236, 850076), (2899, 655664), (3568, 532727), (3812, 498628), (4472, 425038), (5798, 327832), (7624, 249314), (8944, 212519), (9589, 198224), (11596, 163916), (12389, 153424), (15248, 124657), (19178, 99112), (23192, 81958), (24778, 76712), (38356, 49556), (40979, 46384)]