221454325

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 303730560

約数和(自身を除く): 82276235

約数列:

[1, 5, 17, 25, 41, 71, 85, 179, 205, 355, 425, 697, 895, 1025, 1207, 1775, 2911, 3043, 3485, 4475, 6035, 7339, 12709, 14555, 15215, 17425, 30175, 36695, 49487, 63545, 72775, 76075, 124763, 183475, 216053, 247435, 317725, 521069, 623815, 1080265, 1237175, 2605345, 3119075, 5401325, 8858173, 13026725, 44290865, 221454325]

約数ペア:

[(1, 221454325), (5, 44290865), (17, 13026725), (25, 8858173), (41, 5401325), (71, 3119075), (85, 2605345), (179, 1237175), (205, 1080265), (355, 623815), (425, 521069), (697, 317725), (895, 247435), (1025, 216053), (1207, 183475), (1775, 124763), (2911, 76075), (3043, 72775), (3485, 63545), (4475, 49487), (6035, 36695), (7339, 30175), (12709, 17425), (14555, 15215)]