205397790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:618

約数の個数: 128

約数和(自身を含む): 570447360

約数和(自身を除く): 365049570

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 53, 57, 65, 78, 95, 106, 114, 130, 159, 190, 195, 247, 265, 285, 318, 390, 494, 523, 530, 570, 689, 741, 795, 1007, 1046, 1235, 1378, 1482, 1569, 1590, 2014, 2067, 2470, 2615, 3021, 3138, 3445, 3705, 4134, 5035, 5230, 6042, 6799, 6890, 7410, 7845, 9937, 10070, 10335, 13091, 13598, 15105, 15690, 19874, 20397, 20670, 26182, 27719, 29811, 30210, 33995, 39273, 40794, 49685, 55438, 59622, 65455, 67990, 78546, 83157, 99370, 101985, 129181, 130910, 138595, 149055, 166314, 196365, 203970, 258362, 277190, 298110, 360347, 387543, 392730, 415785, 526661, 645905, 720694, 775086, 831570, 1053322, 1081041, 1291810, 1579983, 1801735, 1937715, 2162082, 2633305, 3159966, 3603470, 3875430, 5266610, 5405205, 6846593, 7899915, 10810410, 13693186, 15799830, 20539779, 34232965, 41079558, 68465930, 102698895, 205397790]

約数ペア:

[(1, 205397790), (2, 102698895), (3, 68465930), (5, 41079558), (6, 34232965), (10, 20539779), (13, 15799830), (15, 13693186), (19, 10810410), (26, 7899915), (30, 6846593), (38, 5405205), (39, 5266610), (53, 3875430), (57, 3603470), (65, 3159966), (78, 2633305), (95, 2162082), (106, 1937715), (114, 1801735), (130, 1579983), (159, 1291810), (190, 1081041), (195, 1053322), (247, 831570), (265, 775086), (285, 720694), (318, 645905), (390, 526661), (494, 415785), (523, 392730), (530, 387543), (570, 360347), (689, 298110), (741, 277190), (795, 258362), (1007, 203970), (1046, 196365), (1235, 166314), (1378, 149055), (1482, 138595), (1569, 130910), (1590, 129181), (2014, 101985), (2067, 99370), (2470, 83157), (2615, 78546), (3021, 67990), (3138, 65455), (3445, 59622), (3705, 55438), (4134, 49685), (5035, 40794), (5230, 39273), (6042, 33995), (6799, 30210), (6890, 29811), (7410, 27719), (7845, 26182), (9937, 20670), (10070, 20397), (10335, 19874), (13091, 15690), (13598, 15105)]