628672880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{769}}^1\times {\mathrm{929}}^1$

素因数の和:1722

約数の個数: 80

約数和(自身を含む): 1598335200

約数和(自身を除く): 969662320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 769, 880, 929, 1538, 1858, 3076, 3716, 3845, 4645, 6152, 7432, 7690, 8459, 9290, 10219, 12304, 14864, 15380, 16918, 18580, 20438, 30760, 33836, 37160, 40876, 42295, 51095, 61520, 67672, 74320, 81752, 84590, 102190, 135344, 163504, 169180, 204380, 338360, 408760, 676720, 714401, 817520, 1428802, 2857604, 3572005, 5715208, 7144010, 7858411, 11430416, 14288020, 15716822, 28576040, 31433644, 39292055, 57152080, 62867288, 78584110, 125734576, 157168220, 314336440, 628672880]

約数ペア:

[(1, 628672880), (2, 314336440), (4, 157168220), (5, 125734576), (8, 78584110), (10, 62867288), (11, 57152080), (16, 39292055), (20, 31433644), (22, 28576040), (40, 15716822), (44, 14288020), (55, 11430416), (80, 7858411), (88, 7144010), (110, 5715208), (176, 3572005), (220, 2857604), (440, 1428802), (769, 817520), (880, 714401), (929, 676720), (1538, 408760), (1858, 338360), (3076, 204380), (3716, 169180), (3845, 163504), (4645, 135344), (6152, 102190), (7432, 84590), (7690, 81752), (8459, 74320), (9290, 67672), (10219, 61520), (12304, 51095), (14864, 42295), (15380, 40876), (16918, 37160), (18580, 33836), (20438, 30760)]