208693290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{2689}}^1$

素因数の和:2911

約数の個数: 64

約数和(自身を含む): 542304000

約数和(自身を除く): 333610710

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 199, 390, 398, 597, 995, 1194, 1990, 2587, 2689, 2985, 5174, 5378, 5970, 7761, 8067, 12935, 13445, 15522, 16134, 25870, 26890, 34957, 38805, 40335, 69914, 77610, 80670, 104871, 174785, 209742, 349570, 524355, 535111, 1048710, 1070222, 1605333, 2675555, 3210666, 5351110, 6956443, 8026665, 13912886, 16053330, 20869329, 34782215, 41738658, 69564430, 104346645, 208693290]

約数ペア:

[(1, 208693290), (2, 104346645), (3, 69564430), (5, 41738658), (6, 34782215), (10, 20869329), (13, 16053330), (15, 13912886), (26, 8026665), (30, 6956443), (39, 5351110), (65, 3210666), (78, 2675555), (130, 1605333), (195, 1070222), (199, 1048710), (390, 535111), (398, 524355), (597, 349570), (995, 209742), (1194, 174785), (1990, 104871), (2587, 80670), (2689, 77610), (2985, 69914), (5174, 40335), (5378, 38805), (5970, 34957), (7761, 26890), (8067, 25870), (12935, 16134), (13445, 15522)]