255296860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{691}}^1$

素因数の和:756

約数の個数: 144

約数和(自身を含む): 695792160

約数和(自身を除く): 440495300

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 29, 35, 49, 52, 58, 65, 70, 91, 98, 116, 130, 140, 145, 182, 196, 203, 245, 260, 290, 364, 377, 406, 455, 490, 580, 637, 691, 754, 812, 910, 980, 1015, 1274, 1382, 1421, 1508, 1820, 1885, 2030, 2548, 2639, 2764, 2842, 3185, 3455, 3770, 4060, 4837, 5278, 5684, 6370, 6910, 7105, 7540, 8983, 9674, 10556, 12740, 13195, 13820, 14210, 17966, 18473, 19348, 20039, 24185, 26390, 28420, 33859, 35932, 36946, 40078, 44915, 48370, 52780, 62881, 67718, 73892, 80156, 89830, 92365, 96740, 100195, 125762, 135436, 140273, 169295, 179660, 184730, 200390, 251524, 260507, 280546, 314405, 338590, 369460, 400780, 440167, 521014, 561092, 628810, 677180, 701365, 880334, 981911, 1042028, 1257620, 1302535, 1402730, 1760668, 1823549, 1963822, 2200835, 2605070, 2805460, 3647098, 3927644, 4401670, 4909555, 5210140, 7294196, 8803340, 9117745, 9819110, 12764843, 18235490, 19638220, 25529686, 36470980, 51059372, 63824215, 127648430, 255296860]

約数ペア:

[(1, 255296860), (2, 127648430), (4, 63824215), (5, 51059372), (7, 36470980), (10, 25529686), (13, 19638220), (14, 18235490), (20, 12764843), (26, 9819110), (28, 9117745), (29, 8803340), (35, 7294196), (49, 5210140), (52, 4909555), (58, 4401670), (65, 3927644), (70, 3647098), (91, 2805460), (98, 2605070), (116, 2200835), (130, 1963822), (140, 1823549), (145, 1760668), (182, 1402730), (196, 1302535), (203, 1257620), (245, 1042028), (260, 981911), (290, 880334), (364, 701365), (377, 677180), (406, 628810), (455, 561092), (490, 521014), (580, 440167), (637, 400780), (691, 369460), (754, 338590), (812, 314405), (910, 280546), (980, 260507), (1015, 251524), (1274, 200390), (1382, 184730), (1421, 179660), (1508, 169295), (1820, 140273), (1885, 135436), (2030, 125762), (2548, 100195), (2639, 96740), (2764, 92365), (2842, 89830), (3185, 80156), (3455, 73892), (3770, 67718), (4060, 62881), (4837, 52780), (5278, 48370), (5684, 44915), (6370, 40078), (6910, 36946), (7105, 35932), (7540, 33859), (8983, 28420), (9674, 26390), (10556, 24185), (12740, 20039), (13195, 19348), (13820, 18473), (14210, 17966)]