1897764820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{437273}}^1$

素因数の和:437320

約数の個数: 48

約数和(自身を含む): 4701570048

約数和(自身を除く): 2803805228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 437273, 874546, 1749092, 2186365, 3060911, 4372730, 6121822, 8745460, 12243644, 13555463, 15304555, 27110926, 30609110, 54221852, 61218220, 67777315, 94888241, 135554630, 189776482, 271109260, 379552964, 474441205, 948882410, 1897764820]

約数ペア:

[(1, 1897764820), (2, 948882410), (4, 474441205), (5, 379552964), (7, 271109260), (10, 189776482), (14, 135554630), (20, 94888241), (28, 67777315), (31, 61218220), (35, 54221852), (62, 30609110), (70, 27110926), (124, 15304555), (140, 13555463), (155, 12243644), (217, 8745460), (310, 6121822), (434, 4372730), (620, 3060911), (868, 2186365), (1085, 1749092), (2170, 874546), (4340, 437273)]