1215956950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{257}}^1$

素因数の和:562

約数の個数: 96

約数和(自身を含む): 2539524960

約数和(自身を除く): 1323568010

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 251, 257, 290, 325, 377, 502, 514, 650, 725, 754, 1255, 1285, 1450, 1885, 2510, 2570, 3263, 3341, 3770, 6275, 6425, 6526, 6682, 7279, 7453, 9425, 12550, 12850, 14558, 14906, 16315, 16705, 18850, 32630, 33410, 36395, 37265, 64507, 72790, 74530, 81575, 83525, 94627, 96889, 129014, 163150, 167050, 181975, 186325, 189254, 193778, 322535, 363950, 372650, 473135, 484445, 645070, 838591, 946270, 968890, 1612675, 1677182, 1870703, 2365675, 2422225, 3225350, 3741406, 4192955, 4731350, 4844450, 8385910, 9353515, 18707030, 20964775, 24319139, 41929550, 46767575, 48638278, 93535150, 121595695, 243191390, 607978475, 1215956950]

約数ペア:

[(1, 1215956950), (2, 607978475), (5, 243191390), (10, 121595695), (13, 93535150), (25, 48638278), (26, 46767575), (29, 41929550), (50, 24319139), (58, 20964775), (65, 18707030), (130, 9353515), (145, 8385910), (251, 4844450), (257, 4731350), (290, 4192955), (325, 3741406), (377, 3225350), (502, 2422225), (514, 2365675), (650, 1870703), (725, 1677182), (754, 1612675), (1255, 968890), (1285, 946270), (1450, 838591), (1885, 645070), (2510, 484445), (2570, 473135), (3263, 372650), (3341, 363950), (3770, 322535), (6275, 193778), (6425, 189254), (6526, 186325), (6682, 181975), (7279, 167050), (7453, 163150), (9425, 129014), (12550, 96889), (12850, 94627), (14558, 83525), (14906, 81575), (16315, 74530), (16705, 72790), (18850, 64507), (32630, 37265), (33410, 36395)]