29855140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1993}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 72358272

約数和(自身を除く): 42503132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 1993, 2140, 2996, 3745, 3986, 7490, 7972, 9965, 13951, 14980, 19930, 27902, 39860, 55804, 69755, 139510, 213251, 279020, 426502, 853004, 1066255, 1492757, 2132510, 2985514, 4265020, 5971028, 7463785, 14927570, 29855140]

約数ペア:

[(1, 29855140), (2, 14927570), (4, 7463785), (5, 5971028), (7, 4265020), (10, 2985514), (14, 2132510), (20, 1492757), (28, 1066255), (35, 853004), (70, 426502), (107, 279020), (140, 213251), (214, 139510), (428, 69755), (535, 55804), (749, 39860), (1070, 27902), (1498, 19930), (1993, 14980), (2140, 13951), (2996, 9965), (3745, 7972), (3986, 7490)]