5253220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 12741120

約数和(自身を除く): 7487900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 239, 314, 478, 628, 785, 956, 1099, 1195, 1570, 1673, 2198, 2390, 3140, 3346, 4396, 4780, 5495, 6692, 8365, 10990, 16730, 21980, 33460, 37523, 75046, 150092, 187615, 262661, 375230, 525322, 750460, 1050644, 1313305, 2626610, 5253220]

約数ペア:

[(1, 5253220), (2, 2626610), (4, 1313305), (5, 1050644), (7, 750460), (10, 525322), (14, 375230), (20, 262661), (28, 187615), (35, 150092), (70, 75046), (140, 37523), (157, 33460), (239, 21980), (314, 16730), (478, 10990), (628, 8365), (785, 6692), (956, 5495), (1099, 4780), (1195, 4396), (1570, 3346), (1673, 3140), (2198, 2390)]