1877804980

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{4987}}^1$

素因数の和:5344

約数の個数: 48

約数和(自身を含む): 4017295296

約数和(自身を除く): 2139490316

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 281, 335, 562, 670, 1124, 1340, 1405, 2810, 4987, 5620, 9974, 18827, 19948, 24935, 37654, 49870, 75308, 94135, 99740, 188270, 334129, 376540, 668258, 1336516, 1401347, 1670645, 2802694, 3341290, 5605388, 6682580, 7006735, 14013470, 28026940, 93890249, 187780498, 375560996, 469451245, 938902490, 1877804980]

約数ペア:

[(1, 1877804980), (2, 938902490), (4, 469451245), (5, 375560996), (10, 187780498), (20, 93890249), (67, 28026940), (134, 14013470), (268, 7006735), (281, 6682580), (335, 5605388), (562, 3341290), (670, 2802694), (1124, 1670645), (1340, 1401347), (1405, 1336516), (2810, 668258), (4987, 376540), (5620, 334129), (9974, 188270), (18827, 99740), (19948, 94135), (24935, 75308), (37654, 49870)]