2888940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{541}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 8195040

約数和(自身を除く): 5306100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 541, 890, 1068, 1082, 1335, 1623, 1780, 2164, 2670, 2705, 3246, 5340, 5410, 6492, 8115, 10820, 16230, 32460, 48149, 96298, 144447, 192596, 240745, 288894, 481490, 577788, 722235, 962980, 1444470, 2888940]

約数ペア:

[(1, 2888940), (2, 1444470), (3, 962980), (4, 722235), (5, 577788), (6, 481490), (10, 288894), (12, 240745), (15, 192596), (20, 144447), (30, 96298), (60, 48149), (89, 32460), (178, 16230), (267, 10820), (356, 8115), (445, 6492), (534, 5410), (541, 5340), (890, 3246), (1068, 2705), (1082, 2670), (1335, 2164), (1623, 1780)]