28057721180

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{103}}^1\times {\mathrm{14173}}^1$

素因数の和:14347

約数の個数: 72

約数和(自身を含む): 61478647776

約数和(自身を除く): 33420926596

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 961, 1030, 1922, 2060, 3193, 3844, 4805, 6386, 9610, 12772, 14173, 15965, 19220, 28346, 31930, 56692, 63860, 70865, 98983, 141730, 197966, 283460, 395932, 439363, 494915, 878726, 989830, 1459819, 1757452, 1979660, 2196815, 2919638, 4393630, 5839276, 7299095, 8787260, 13620253, 14598190, 27240506, 29196380, 45254389, 54481012, 68101265, 90508778, 136202530, 181017556, 226271945, 272405060, 452543890, 905087780, 1402886059, 2805772118, 5611544236, 7014430295, 14028860590, 28057721180]

約数ペア:

[(1, 28057721180), (2, 14028860590), (4, 7014430295), (5, 5611544236), (10, 2805772118), (20, 1402886059), (31, 905087780), (62, 452543890), (103, 272405060), (124, 226271945), (155, 181017556), (206, 136202530), (310, 90508778), (412, 68101265), (515, 54481012), (620, 45254389), (961, 29196380), (1030, 27240506), (1922, 14598190), (2060, 13620253), (3193, 8787260), (3844, 7299095), (4805, 5839276), (6386, 4393630), (9610, 2919638), (12772, 2196815), (14173, 1979660), (15965, 1757452), (19220, 1459819), (28346, 989830), (31930, 878726), (56692, 494915), (63860, 439363), (70865, 395932), (98983, 283460), (141730, 197966)]