82517380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1039}}^1$

素因数の和:1097

約数の個数: 72

約数和(自身を含む): 199704960

約数和(自身を除く): 117187580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 361, 380, 418, 722, 836, 1039, 1045, 1444, 1805, 2078, 2090, 3610, 3971, 4156, 4180, 5195, 7220, 7942, 10390, 11429, 15884, 19741, 19855, 20780, 22858, 39482, 39710, 45716, 57145, 78964, 79420, 98705, 114290, 197410, 217151, 228580, 375079, 394820, 434302, 750158, 868604, 1085755, 1500316, 1875395, 2171510, 3750790, 4125869, 4343020, 7501580, 8251738, 16503476, 20629345, 41258690, 82517380]

約数ペア:

[(1, 82517380), (2, 41258690), (4, 20629345), (5, 16503476), (10, 8251738), (11, 7501580), (19, 4343020), (20, 4125869), (22, 3750790), (38, 2171510), (44, 1875395), (55, 1500316), (76, 1085755), (95, 868604), (110, 750158), (190, 434302), (209, 394820), (220, 375079), (361, 228580), (380, 217151), (418, 197410), (722, 114290), (836, 98705), (1039, 79420), (1045, 78964), (1444, 57145), (1805, 45716), (2078, 39710), (2090, 39482), (3610, 22858), (3971, 20780), (4156, 19855), (4180, 19741), (5195, 15884), (7220, 11429), (7942, 10390)]