201390940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{509}}^1$

素因数の和:862

約数の個数: 48

約数和(自身を含む): 431141760

約数和(自身を除く): 229750820

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 271, 292, 365, 509, 542, 730, 1018, 1084, 1355, 1460, 2036, 2545, 2710, 5090, 5420, 10180, 19783, 37157, 39566, 74314, 79132, 98915, 137939, 148628, 185785, 197830, 275878, 371570, 395660, 551756, 689695, 743140, 1379390, 2758780, 10069547, 20139094, 40278188, 50347735, 100695470, 201390940]

約数ペア:

[(1, 201390940), (2, 100695470), (4, 50347735), (5, 40278188), (10, 20139094), (20, 10069547), (73, 2758780), (146, 1379390), (271, 743140), (292, 689695), (365, 551756), (509, 395660), (542, 371570), (730, 275878), (1018, 197830), (1084, 185785), (1355, 148628), (1460, 137939), (2036, 98915), (2545, 79132), (2710, 74314), (5090, 39566), (5420, 37157), (10180, 19783)]