4223780

素因数分解:

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

素因数の和:356

約数の個数: 48

約数和(自身を含む): 9846144

約数和(自身を除く): 5622364

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 263, 292, 365, 526, 730, 803, 1052, 1315, 1460, 1606, 2630, 2893, 3212, 4015, 5260, 5786, 8030, 11572, 14465, 16060, 19199, 28930, 38398, 57860, 76796, 95995, 191990, 211189, 383980, 422378, 844756, 1055945, 2111890, 4223780]

約数ペア:

[(1, 4223780), (2, 2111890), (4, 1055945), (5, 844756), (10, 422378), (11, 383980), (20, 211189), (22, 191990), (44, 95995), (55, 76796), (73, 57860), (110, 38398), (146, 28930), (220, 19199), (263, 16060), (292, 14465), (365, 11572), (526, 8030), (730, 5786), (803, 5260), (1052, 4015), (1315, 3212), (1460, 2893), (1606, 2630)]