1330621990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:925

約数の個数: 64

約数和(自身を含む): 2591834112

約数和(自身を除く): 1261212122

約数列:

[1, 2, 5, 10, 23, 31, 46, 62, 115, 155, 230, 310, 431, 433, 713, 862, 866, 1426, 2155, 2165, 3565, 4310, 4330, 7130, 9913, 9959, 13361, 13423, 19826, 19918, 26722, 26846, 49565, 49795, 66805, 67115, 99130, 99590, 133610, 134230, 186623, 307303, 308729, 373246, 614606, 617458, 933115, 1536515, 1543645, 1866230, 3073030, 3087290, 4292329, 5785313, 8584658, 11570626, 21461645, 28926565, 42923290, 57853130, 133062199, 266124398, 665310995, 1330621990]

約数ペア:

[(1, 1330621990), (2, 665310995), (5, 266124398), (10, 133062199), (23, 57853130), (31, 42923290), (46, 28926565), (62, 21461645), (115, 11570626), (155, 8584658), (230, 5785313), (310, 4292329), (431, 3087290), (433, 3073030), (713, 1866230), (862, 1543645), (866, 1536515), (1426, 933115), (2155, 617458), (2165, 614606), (3565, 373246), (4310, 308729), (4330, 307303), (7130, 186623), (9913, 134230), (9959, 133610), (13361, 99590), (13423, 99130), (19826, 67115), (19918, 66805), (26722, 49795), (26846, 49565)]