990803710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{5231}}^1$

素因数の和:5329

約数の個数: 64

約数和(自身を含む): 2025160704

約数和(自身を除く): 1034356994

約数列:

[1, 2, 5, 10, 13, 26, 31, 47, 62, 65, 94, 130, 155, 235, 310, 403, 470, 611, 806, 1222, 1457, 2015, 2914, 3055, 4030, 5231, 6110, 7285, 10462, 14570, 18941, 26155, 37882, 52310, 68003, 94705, 136006, 162161, 189410, 245857, 324322, 340015, 491714, 680030, 810805, 1229285, 1621610, 2108093, 2458570, 3196141, 4216186, 6392282, 7621567, 10540465, 15243134, 15980705, 21080930, 31961410, 38107835, 76215670, 99080371, 198160742, 495401855, 990803710]

約数ペア:

[(1, 990803710), (2, 495401855), (5, 198160742), (10, 99080371), (13, 76215670), (26, 38107835), (31, 31961410), (47, 21080930), (62, 15980705), (65, 15243134), (94, 10540465), (130, 7621567), (155, 6392282), (235, 4216186), (310, 3196141), (403, 2458570), (470, 2108093), (611, 1621610), (806, 1229285), (1222, 810805), (1457, 680030), (2015, 491714), (2914, 340015), (3055, 324322), (4030, 245857), (5231, 189410), (6110, 162161), (7285, 136006), (10462, 94705), (14570, 68003), (18941, 52310), (26155, 37882)]