2197858390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{4919}}^1$

素因数の和:5437

約数の個数: 64

約数和(自身を含む): 4880010240

約数和(自身を除く): 2682151850

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 491, 910, 982, 2455, 3437, 4910, 4919, 6383, 6874, 9838, 12766, 17185, 24595, 31915, 34370, 34433, 44681, 49190, 63830, 63947, 68866, 89362, 127894, 172165, 223405, 319735, 344330, 446810, 447629, 639470, 895258, 2238145, 2415229, 4476290, 4830458, 12076145, 16906603, 24152290, 31397977, 33813206, 62795954, 84533015, 156989885, 169066030, 219785839, 313979770, 439571678, 1098929195, 2197858390]

約数ペア:

[(1, 2197858390), (2, 1098929195), (5, 439571678), (7, 313979770), (10, 219785839), (13, 169066030), (14, 156989885), (26, 84533015), (35, 62795954), (65, 33813206), (70, 31397977), (91, 24152290), (130, 16906603), (182, 12076145), (455, 4830458), (491, 4476290), (910, 2415229), (982, 2238145), (2455, 895258), (3437, 639470), (4910, 447629), (4919, 446810), (6383, 344330), (6874, 319735), (9838, 223405), (12766, 172165), (17185, 127894), (24595, 89362), (31915, 68866), (34370, 63947), (34433, 63830), (44681, 49190)]