402019900

素因数分解:

$2^2\times 5^2\times {\mathrm{43}}^1\times {\mathrm{93493}}^1$

素因数の和:93550

約数の個数: 36

約数和(自身を含む): 892680712

約数和(自身を除く): 490660812

約数列:

[1, 2, 4, 5, 10, 20, 25, 43, 50, 86, 100, 172, 215, 430, 860, 1075, 2150, 4300, 93493, 186986, 373972, 467465, 934930, 1869860, 2337325, 4020199, 4674650, 8040398, 9349300, 16080796, 20100995, 40201990, 80403980, 100504975, 201009950, 402019900]

約数ペア:

[(1, 402019900), (2, 201009950), (4, 100504975), (5, 80403980), (10, 40201990), (20, 20100995), (25, 16080796), (43, 9349300), (50, 8040398), (86, 4674650), (100, 4020199), (172, 2337325), (215, 1869860), (430, 934930), (860, 467465), (1075, 373972), (2150, 186986), (4300, 93493)]