207931100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{521}}^1$

素因数の和:855

約数の個数: 72

約数和(自身を含む): 488437488

約数和(自身を除く): 280506388

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 307, 325, 521, 614, 650, 1042, 1228, 1300, 1535, 2084, 2605, 3070, 3991, 5210, 6140, 6773, 7675, 7982, 10420, 13025, 13546, 15350, 15964, 19955, 26050, 27092, 30700, 33865, 39910, 52100, 67730, 79820, 99775, 135460, 159947, 169325, 199550, 319894, 338650, 399100, 639788, 677300, 799735, 1599470, 2079311, 3198940, 3998675, 4158622, 7997350, 8317244, 10396555, 15994700, 20793110, 41586220, 51982775, 103965550, 207931100]

約数ペア:

[(1, 207931100), (2, 103965550), (4, 51982775), (5, 41586220), (10, 20793110), (13, 15994700), (20, 10396555), (25, 8317244), (26, 7997350), (50, 4158622), (52, 3998675), (65, 3198940), (100, 2079311), (130, 1599470), (260, 799735), (307, 677300), (325, 639788), (521, 399100), (614, 338650), (650, 319894), (1042, 199550), (1228, 169325), (1300, 159947), (1535, 135460), (2084, 99775), (2605, 79820), (3070, 67730), (3991, 52100), (5210, 39910), (6140, 33865), (6773, 30700), (7675, 27092), (7982, 26050), (10420, 19955), (13025, 15964), (13546, 15350)]