201977680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{148513}}^1$

素因数の和:148543

約数の個数: 40

約数和(自身を含む): 497224872

約数和(自身を除く): 295247192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 148513, 297026, 594052, 742565, 1188104, 1485130, 2376208, 2524721, 2970260, 5049442, 5940520, 10098884, 11881040, 12623605, 20197768, 25247210, 40395536, 50494420, 100988840, 201977680]

約数ペア:

[(1, 201977680), (2, 100988840), (4, 50494420), (5, 40395536), (8, 25247210), (10, 20197768), (16, 12623605), (17, 11881040), (20, 10098884), (34, 5940520), (40, 5049442), (68, 2970260), (80, 2524721), (85, 2376208), (136, 1485130), (170, 1188104), (272, 742565), (340, 594052), (680, 297026), (1360, 148513)]