2111890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 4219776

約数和(自身を除く): 2107886

約数列:

[1, 2, 5, 10, 11, 22, 55, 73, 110, 146, 263, 365, 526, 730, 803, 1315, 1606, 2630, 2893, 4015, 5786, 8030, 14465, 19199, 28930, 38398, 95995, 191990, 211189, 422378, 1055945, 2111890]

約数ペア:

[(1, 2111890), (2, 1055945), (5, 422378), (10, 211189), (11, 191990), (22, 95995), (55, 38398), (73, 28930), (110, 19199), (146, 14465), (263, 8030), (365, 5786), (526, 4015), (730, 2893), (803, 2630), (1315, 1606)]