38910025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 67495680

約数和(自身を除く): 28585655

約数列:

[1, 5, 7, 11, 17, 25, 29, 35, 41, 55, 77, 85, 119, 145, 175, 187, 203, 205, 275, 287, 319, 385, 425, 451, 493, 595, 697, 725, 935, 1015, 1025, 1189, 1309, 1435, 1595, 1925, 2233, 2255, 2465, 2975, 3157, 3451, 3485, 4675, 4879, 5075, 5423, 5945, 6545, 7175, 7667, 7975, 8323, 11165, 11275, 12325, 13079, 15785, 17255, 17425, 20213, 24395, 27115, 29725, 32725, 37961, 38335, 41615, 53669, 55825, 65395, 78925, 86275, 91553, 101065, 121975, 135575, 141491, 189805, 191675, 208075, 222343, 268345, 326975, 457765, 505325, 707455, 949025, 1111715, 1341725, 1556401, 2288825, 3537275, 5558575, 7782005, 38910025]

約数ペア:

[(1, 38910025), (5, 7782005), (7, 5558575), (11, 3537275), (17, 2288825), (25, 1556401), (29, 1341725), (35, 1111715), (41, 949025), (55, 707455), (77, 505325), (85, 457765), (119, 326975), (145, 268345), (175, 222343), (187, 208075), (203, 191675), (205, 189805), (275, 141491), (287, 135575), (319, 121975), (385, 101065), (425, 91553), (451, 86275), (493, 78925), (595, 65395), (697, 55825), (725, 53669), (935, 41615), (1015, 38335), (1025, 37961), (1189, 32725), (1309, 29725), (1435, 27115), (1595, 24395), (1925, 20213), (2233, 17425), (2255, 17255), (2465, 15785), (2975, 13079), (3157, 12325), (3451, 11275), (3485, 11165), (4675, 8323), (4879, 7975), (5075, 7667), (5423, 7175), (5945, 6545)]