2779470

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 7328880

約数和(自身を除く): 4549410

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 89, 90, 178, 267, 347, 445, 534, 694, 801, 890, 1041, 1335, 1602, 1735, 2082, 2670, 3123, 3470, 4005, 5205, 6246, 8010, 10410, 15615, 30883, 31230, 61766, 92649, 154415, 185298, 277947, 308830, 463245, 555894, 926490, 1389735, 2779470]

約数ペア:

[(1, 2779470), (2, 1389735), (3, 926490), (5, 555894), (6, 463245), (9, 308830), (10, 277947), (15, 185298), (18, 154415), (30, 92649), (45, 61766), (89, 31230), (90, 30883), (178, 15615), (267, 10410), (347, 8010), (445, 6246), (534, 5205), (694, 4005), (801, 3470), (890, 3123), (1041, 2670), (1335, 2082), (1602, 1735)]