561644180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 1284595200

約数和(自身を除く): 722951020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 79, 95, 106, 158, 190, 212, 265, 316, 353, 380, 395, 530, 706, 790, 1007, 1060, 1412, 1501, 1580, 1765, 2014, 3002, 3530, 4028, 4187, 5035, 6004, 6707, 7060, 7505, 8374, 10070, 13414, 15010, 16748, 18709, 20140, 20935, 26828, 27887, 30020, 33535, 37418, 41870, 55774, 67070, 74836, 79553, 83740, 93545, 111548, 134140, 139435, 159106, 187090, 278870, 318212, 355471, 374180, 397765, 529853, 557740, 710942, 795530, 1059706, 1421884, 1478011, 1591060, 1777355, 2119412, 2649265, 2956022, 3554710, 5298530, 5912044, 7109420, 7390055, 10597060, 14780110, 28082209, 29560220, 56164418, 112328836, 140411045, 280822090, 561644180]

約数ペア:

[(1, 561644180), (2, 280822090), (4, 140411045), (5, 112328836), (10, 56164418), (19, 29560220), (20, 28082209), (38, 14780110), (53, 10597060), (76, 7390055), (79, 7109420), (95, 5912044), (106, 5298530), (158, 3554710), (190, 2956022), (212, 2649265), (265, 2119412), (316, 1777355), (353, 1591060), (380, 1478011), (395, 1421884), (530, 1059706), (706, 795530), (790, 710942), (1007, 557740), (1060, 529853), (1412, 397765), (1501, 374180), (1580, 355471), (1765, 318212), (2014, 278870), (3002, 187090), (3530, 159106), (4028, 139435), (4187, 134140), (5035, 111548), (6004, 93545), (6707, 83740), (7060, 79553), (7505, 74836), (8374, 67070), (10070, 55774), (13414, 41870), (15010, 37418), (16748, 33535), (18709, 30020), (20140, 27887), (20935, 26828)]