221465140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{353}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 532869120

約数和(自身を除く): 311403980

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 127, 130, 190, 247, 254, 260, 353, 380, 494, 508, 635, 706, 988, 1235, 1270, 1412, 1651, 1765, 2413, 2470, 2540, 3302, 3530, 4589, 4826, 4940, 6604, 6707, 7060, 8255, 9178, 9652, 12065, 13414, 16510, 18356, 22945, 24130, 26828, 31369, 33020, 33535, 44831, 45890, 48260, 62738, 67070, 87191, 89662, 91780, 125476, 134140, 156845, 174382, 179324, 224155, 313690, 348764, 435955, 448310, 582803, 627380, 851789, 871910, 896620, 1165606, 1703578, 1743820, 2331212, 2914015, 3407156, 4258945, 5828030, 8517890, 11073257, 11656060, 17035780, 22146514, 44293028, 55366285, 110732570, 221465140]

約数ペア:

[(1, 221465140), (2, 110732570), (4, 55366285), (5, 44293028), (10, 22146514), (13, 17035780), (19, 11656060), (20, 11073257), (26, 8517890), (38, 5828030), (52, 4258945), (65, 3407156), (76, 2914015), (95, 2331212), (127, 1743820), (130, 1703578), (190, 1165606), (247, 896620), (254, 871910), (260, 851789), (353, 627380), (380, 582803), (494, 448310), (508, 435955), (635, 348764), (706, 313690), (988, 224155), (1235, 179324), (1270, 174382), (1412, 156845), (1651, 134140), (1765, 125476), (2413, 91780), (2470, 89662), (2540, 87191), (3302, 67070), (3530, 62738), (4589, 48260), (4826, 45890), (4940, 44831), (6604, 33535), (6707, 33020), (7060, 31369), (8255, 26828), (9178, 24130), (9652, 22945), (12065, 18356), (13414, 16510)]