21910892900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{157519}}^1$

素因数の和:157653

約数の個数: 72

約数和(自身を含む): 51682942080

約数和(自身を除く): 29772049180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 107, 130, 214, 260, 325, 428, 535, 650, 1070, 1300, 1391, 2140, 2675, 2782, 5350, 5564, 6955, 10700, 13910, 27820, 34775, 69550, 139100, 157519, 315038, 630076, 787595, 1575190, 2047747, 3150380, 3937975, 4095494, 7875950, 8190988, 10238735, 15751900, 16854533, 20477470, 33709066, 40954940, 51193675, 67418132, 84272665, 102387350, 168545330, 204774700, 219108929, 337090660, 421363325, 438217858, 842726650, 876435716, 1095544645, 1685453300, 2191089290, 4382178580, 5477723225, 10955446450, 21910892900]

約数ペア:

[(1, 21910892900), (2, 10955446450), (4, 5477723225), (5, 4382178580), (10, 2191089290), (13, 1685453300), (20, 1095544645), (25, 876435716), (26, 842726650), (50, 438217858), (52, 421363325), (65, 337090660), (100, 219108929), (107, 204774700), (130, 168545330), (214, 102387350), (260, 84272665), (325, 67418132), (428, 51193675), (535, 40954940), (650, 33709066), (1070, 20477470), (1300, 16854533), (1391, 15751900), (2140, 10238735), (2675, 8190988), (2782, 7875950), (5350, 4095494), (5564, 3937975), (6955, 3150380), (10700, 2047747), (13910, 1575190), (27820, 787595), (34775, 630076), (69550, 315038), (139100, 157519)]