20046368900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{769}}^1$

素因数の和:1002

約数の個数: 144

約数和(自身を含む): 46016586000

約数和(自身を除く): 25970217100

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 89, 100, 101, 116, 145, 178, 202, 290, 356, 404, 445, 505, 580, 725, 769, 890, 1010, 1450, 1538, 1780, 2020, 2225, 2525, 2581, 2900, 2929, 3076, 3845, 4450, 5050, 5162, 5858, 7690, 8900, 8989, 10100, 10324, 11716, 12905, 14645, 15380, 17978, 19225, 22301, 25810, 29290, 35956, 38450, 44602, 44945, 51620, 58580, 64525, 68441, 73225, 76900, 77669, 89204, 89890, 111505, 129050, 136882, 146450, 155338, 179780, 223010, 224725, 258100, 260681, 273764, 292900, 310676, 342205, 388345, 446020, 449450, 521362, 557525, 684410, 776690, 898900, 1042724, 1115050, 1303405, 1368820, 1553380, 1711025, 1941725, 1984789, 2230100, 2252401, 2606810, 3422050, 3883450, 3969578, 4504802, 5213620, 6517025, 6844100, 6912541, 7766900, 7939156, 9009604, 9923945, 11262005, 13034050, 13825082, 19847890, 22524010, 26068100, 27650164, 34562705, 39695780, 45048020, 49619725, 56310025, 69125410, 99239450, 112620050, 138250820, 172813525, 198478900, 200463689, 225240100, 345627050, 400927378, 691254100, 801854756, 1002318445, 2004636890, 4009273780, 5011592225, 10023184450, 20046368900]

約数ペア:

[(1, 20046368900), (2, 10023184450), (4, 5011592225), (5, 4009273780), (10, 2004636890), (20, 1002318445), (25, 801854756), (29, 691254100), (50, 400927378), (58, 345627050), (89, 225240100), (100, 200463689), (101, 198478900), (116, 172813525), (145, 138250820), (178, 112620050), (202, 99239450), (290, 69125410), (356, 56310025), (404, 49619725), (445, 45048020), (505, 39695780), (580, 34562705), (725, 27650164), (769, 26068100), (890, 22524010), (1010, 19847890), (1450, 13825082), (1538, 13034050), (1780, 11262005), (2020, 9923945), (2225, 9009604), (2525, 7939156), (2581, 7766900), (2900, 6912541), (2929, 6844100), (3076, 6517025), (3845, 5213620), (4450, 4504802), (5050, 3969578), (5162, 3883450), (5858, 3422050), (7690, 2606810), (8900, 2252401), (8989, 2230100), (10100, 1984789), (10324, 1941725), (11716, 1711025), (12905, 1553380), (14645, 1368820), (15380, 1303405), (17978, 1115050), (19225, 1042724), (22301, 898900), (25810, 776690), (29290, 684410), (35956, 557525), (38450, 521362), (44602, 449450), (44945, 446020), (51620, 388345), (58580, 342205), (64525, 310676), (68441, 292900), (73225, 273764), (76900, 260681), (77669, 258100), (89204, 224725), (89890, 223010), (111505, 179780), (129050, 155338), (136882, 146450)]