319339780

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 682441200

約数和(自身を除く): 363101420

約数列:

[1, 2, 4, 5, 10, 20, 101, 149, 202, 298, 404, 505, 596, 745, 1010, 1061, 1490, 2020, 2122, 2980, 4244, 5305, 10610, 15049, 21220, 30098, 60196, 75245, 107161, 150490, 158089, 214322, 300980, 316178, 428644, 535805, 632356, 790445, 1071610, 1580890, 2143220, 3161780, 15966989, 31933978, 63867956, 79834945, 159669890, 319339780]

約数ペア:

[(1, 319339780), (2, 159669890), (4, 79834945), (5, 63867956), (10, 31933978), (20, 15966989), (101, 3161780), (149, 2143220), (202, 1580890), (298, 1071610), (404, 790445), (505, 632356), (596, 535805), (745, 428644), (1010, 316178), (1061, 300980), (1490, 214322), (2020, 158089), (2122, 150490), (2980, 107161), (4244, 75245), (5305, 60196), (10610, 30098), (15049, 21220)]