995720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 2557440

約数和(自身を除く): 1561720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 73, 88, 110, 124, 146, 155, 220, 248, 292, 310, 341, 365, 440, 584, 620, 682, 730, 803, 1240, 1364, 1460, 1606, 1705, 2263, 2728, 2920, 3212, 3410, 4015, 4526, 6424, 6820, 8030, 9052, 11315, 13640, 16060, 18104, 22630, 24893, 32120, 45260, 49786, 90520, 99572, 124465, 199144, 248930, 497860, 995720]

約数ペア:

[(1, 995720), (2, 497860), (4, 248930), (5, 199144), (8, 124465), (10, 99572), (11, 90520), (20, 49786), (22, 45260), (31, 32120), (40, 24893), (44, 22630), (55, 18104), (62, 16060), (73, 13640), (88, 11315), (110, 9052), (124, 8030), (146, 6820), (155, 6424), (220, 4526), (248, 4015), (292, 3410), (310, 3212), (341, 2920), (365, 2728), (440, 2263), (584, 1705), (620, 1606), (682, 1460), (730, 1364), (803, 1240)]