551414980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{2897}}^1$

素因数の和:3244

約数の個数: 48

約数和(自身を含む): 1199632896

約数和(自身を除く): 648217916

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 614, 620, 1228, 1535, 2897, 3070, 5794, 6140, 9517, 11588, 14485, 19034, 28970, 38068, 47585, 57940, 89807, 95170, 179614, 190340, 359228, 449035, 889379, 898070, 1778758, 1796140, 3557516, 4446895, 8893790, 17787580, 27570749, 55141498, 110282996, 137853745, 275707490, 551414980]

約数ペア:

[(1, 551414980), (2, 275707490), (4, 137853745), (5, 110282996), (10, 55141498), (20, 27570749), (31, 17787580), (62, 8893790), (124, 4446895), (155, 3557516), (307, 1796140), (310, 1778758), (614, 898070), (620, 889379), (1228, 449035), (1535, 359228), (2897, 190340), (3070, 179614), (5794, 95170), (6140, 89807), (9517, 57940), (11588, 47585), (14485, 38068), (19034, 28970)]