201997519180

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{41908199}}^1$

素因数の和:41908449

約数の個数: 24

約数和(自身を含む): 425954944800

約数和(自身を除く): 223957425620

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 41908199, 83816398, 167632796, 209540995, 419081990, 838163980, 10099875959, 20199751918, 40399503836, 50499379795, 100998759590, 201997519180]

約数ペア:

[(1, 201997519180), (2, 100998759590), (4, 50499379795), (5, 40399503836), (10, 20199751918), (20, 10099875959), (241, 838163980), (482, 419081990), (964, 209540995), (1205, 167632796), (2410, 83816398), (4820, 41908199)]