201917840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{148469}}^1$

素因数の和:148499

約数の個数: 40

約数和(自身を含む): 497077560

約数和(自身を除く): 295159720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 148469, 296938, 593876, 742345, 1187752, 1484690, 2375504, 2523973, 2969380, 5047946, 5938760, 10095892, 11877520, 12619865, 20191784, 25239730, 40383568, 50479460, 100958920, 201917840]

約数ペア:

[(1, 201917840), (2, 100958920), (4, 50479460), (5, 40383568), (8, 25239730), (10, 20191784), (16, 12619865), (17, 11877520), (20, 10095892), (34, 5938760), (40, 5047946), (68, 2969380), (80, 2523973), (85, 2375504), (136, 1484690), (170, 1187752), (272, 742345), (340, 593876), (680, 296938), (1360, 148469)]