401022820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{463}}^1$

素因数の和:641

約数の個数: 96

約数和(自身を含む): 957874176

約数和(自身を除く): 556851356

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 127, 155, 220, 254, 310, 341, 463, 508, 620, 635, 682, 926, 1270, 1364, 1397, 1705, 1852, 2315, 2540, 2794, 3410, 3937, 4630, 5093, 5588, 6820, 6985, 7874, 9260, 10186, 13970, 14353, 15748, 19685, 20372, 25465, 27940, 28706, 39370, 43307, 50930, 57412, 58801, 71765, 78740, 86614, 101860, 117602, 143530, 157883, 173228, 216535, 235204, 287060, 294005, 315766, 433070, 588010, 631532, 646811, 789415, 866140, 1176020, 1293622, 1578830, 1822831, 2587244, 3157660, 3234055, 3645662, 6468110, 7291324, 9114155, 12936220, 18228310, 20051141, 36456620, 40102282, 80204564, 100255705, 200511410, 401022820]

約数ペア:

[(1, 401022820), (2, 200511410), (4, 100255705), (5, 80204564), (10, 40102282), (11, 36456620), (20, 20051141), (22, 18228310), (31, 12936220), (44, 9114155), (55, 7291324), (62, 6468110), (110, 3645662), (124, 3234055), (127, 3157660), (155, 2587244), (220, 1822831), (254, 1578830), (310, 1293622), (341, 1176020), (463, 866140), (508, 789415), (620, 646811), (635, 631532), (682, 588010), (926, 433070), (1270, 315766), (1364, 294005), (1397, 287060), (1705, 235204), (1852, 216535), (2315, 173228), (2540, 157883), (2794, 143530), (3410, 117602), (3937, 101860), (4630, 86614), (5093, 78740), (5588, 71765), (6820, 58801), (6985, 57412), (7874, 50930), (9260, 43307), (10186, 39370), (13970, 28706), (14353, 27940), (15748, 25465), (19685, 20372)]