201998883980

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1087}}^1\times {\mathrm{48647}}^1$

素因数の和:49934

約数の個数: 48

約数和(自身を含む): 426819649536

約数和(自身を除く): 224820765556

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1087, 1910, 2174, 3820, 4348, 5435, 10870, 21740, 48647, 97294, 194588, 207617, 243235, 415234, 486470, 830468, 972940, 1038085, 2076170, 4152340, 9291577, 18583154, 37166308, 46457885, 52879289, 92915770, 105758578, 185831540, 211517156, 264396445, 528792890, 1057585780, 10099944199, 20199888398, 40399776796, 50499720995, 100999441990, 201998883980]

約数ペア:

[(1, 201998883980), (2, 100999441990), (4, 50499720995), (5, 40399776796), (10, 20199888398), (20, 10099944199), (191, 1057585780), (382, 528792890), (764, 264396445), (955, 211517156), (1087, 185831540), (1910, 105758578), (2174, 92915770), (3820, 52879289), (4348, 46457885), (5435, 37166308), (10870, 18583154), (21740, 9291577), (48647, 4152340), (97294, 2076170), (194588, 1038085), (207617, 972940), (243235, 830468), (415234, 486470)]